Mathematics › Statistics
Statistics Questions
176 questions across 8 subtopics — with step-by-step solutions.
Mean(22)
- In a class of 100 students there are 70 bo... | Mathematics | TestHub
- Let be observations such that and . Then a... | Mathematics | TestHub
- The average marks of boys in a class is an... | Mathematics | TestHub
- Find the value of | Mathematics | TestHub
- The mean of a data set consisting of 20 ob... | Mathematics | TestHub
- In a set ofdistinct observations, each of... | Mathematics | TestHub
- The mean of a data set comprising of obser... | Mathematics | TestHub
- A factory is operating in two shifts, day... | Mathematics | TestHub
- The mean ofobservations isand their varian... | Mathematics | TestHub
- The mean age ofteachers in a school isyear... | Mathematics | TestHub
- The mean of a set ofobservation is. If eac... | Mathematics | TestHub
- The mean of a set of 30 observations is 75... | Mathematics | TestHub
- The arithmetic mean of a set of observatio... | Mathematics | TestHub
- If the mean of the data: is 8 , then the v... | Mathematics | TestHub
- If the sum of the deviations ofobservation... | Mathematics | TestHub
- If for some , the frequency distribution o... | Mathematics | TestHub
- Consider the data ontaking the valueswith... | Mathematics | TestHub
- The mean ofnumbersis | Mathematics | TestHub
- The mean age ofteachers in a school isyear... | Mathematics | TestHub
- The mean of five observations is and their... | Mathematics | TestHub
- If the function , defined below, is contin... | Mathematics | TestHub
- The mean of n items is X . If the first it... | Mathematics | TestHub
Mean Square Deviation(11)
- In a series of observations, half of them... | Mathematics | TestHub
- If the mean deviation of number from their... | Mathematics | TestHub
- If the mean deviation about the median of... | Mathematics | TestHub
- If the mean of and a is 7 , then the mean... | Mathematics | TestHub
- In a set of observations, half of them are... | Mathematics | TestHub
- Let and M.D. be the mean and the mean devi... | Mathematics | TestHub
- If the standard deviation of the numbersan... | Mathematics | TestHub
- If the mean deviation of the numbersfrom t... | Mathematics | TestHub
- The mean and the standard deviationof five... | Mathematics | TestHub
- Ifand, then the standard deviation of thei... | Mathematics | TestHub
- The mean and standard deviation of 20 obse... | Mathematics | TestHub
Measures of Dispersion(106)
- In an experiment with 15 observations on ,... | Mathematics | TestHub
- Suppose a population has 100 observations... | Mathematics | TestHub
- The mean of the numbers is 6 and the varia... | Mathematics | TestHub
- Statement-1 : The variance of first even n... | Mathematics | TestHub
- For two data sets, each of size 5 , the va... | Mathematics | TestHub
- Let be observations, and let be their arit... | Mathematics | TestHub
- Statement 1: The variance of first odd nat... | Mathematics | TestHub
- Let , and be respectively the mean, mode a... | Mathematics | TestHub
- The variance of the firsteven natural numb... | Mathematics | TestHub
- The sum ofobservations and the sum of thei... | Mathematics | TestHub
- If the variance of the observationsis, the... | Mathematics | TestHub
- Coefficient of variation of two distributi... | Mathematics | TestHub
- A box containsgreen andyellow balls. Ifbal... | Mathematics | TestHub
- students of a class have an average height... | Mathematics | TestHub
- The mean of five observations isand their... | Mathematics | TestHub
- If both the mean and the standard deviatio... | Mathematics | TestHub
- If the standard deviation of the numbersis... | Mathematics | TestHub
- The outcome of each of 30 items was observ... | Mathematics | TestHub
- If the mean and standard deviation ofobser... | Mathematics | TestHub
- The mean and variance for seven observatio... | Mathematics | TestHub
- A student scores the following marks in fi... | Mathematics | TestHub
- If the datais such that the mean of first... | Mathematics | TestHub
- The mean and the variance of five observat... | Mathematics | TestHub
- A data consists ofobservations:Ifand, then... | Mathematics | TestHub
- If the variance of the terms in an increas... | Mathematics | TestHub
- Letand. If mean and variance of elements o... | Mathematics | TestHub
- Ifand, then the standard deviation ofobser... | Mathematics | TestHub
- The mean and variance ofobservations arean... | Mathematics | TestHub
- For the frequency distribution: VariateFre... | Mathematics | TestHub
- If the variance of the following frequency... | Mathematics | TestHub
- If the variance of the firstnatural number... | Mathematics | TestHub
- Let the observationsatisfy the equations,.... | Mathematics | TestHub
- Letbe ten observation of a random variable... | Mathematics | TestHub
- The mean and variance ofobservations are f... | Mathematics | TestHub
- If the mean and variance of eight numbersa... | Mathematics | TestHub
- The mean and variance ofobservations arean... | Mathematics | TestHub
- The mean and the standard deviation (s.d.)... | Mathematics | TestHub
- If the mean and the standard deviation of... | Mathematics | TestHub
- If the mean and variance of six observatio... | Mathematics | TestHub
- Letbe an odd natural number such that the... | Mathematics | TestHub
- Let the mean and variance of four numbersa... | Mathematics | TestHub
- If the variance ofnatural numbersis less t... | Mathematics | TestHub
- The mean and variance ofobservations arean... | Mathematics | TestHub
- Consider three observationsandsuch that. I... | Mathematics | TestHub
- Letbe eighteen observations such thatand,... | Mathematics | TestHub
- Consider the statistics of two sets of obs... | Mathematics | TestHub
- An online exam is attempted bycandidates o... | Mathematics | TestHub
- Let the mean and variance of the frequency... | Mathematics | TestHub
- Let in a series ofobservations, half of th... | Mathematics | TestHub
- The first of the two samples in a group ha... | Mathematics | TestHub
- If the mean and variance of the following... | Mathematics | TestHub
- The mean ofdistinct observations isand the... | Mathematics | TestHub
- Consider a set ofnumbers having varianceIn... | Mathematics | TestHub
- The mean and standard deviation ofobservat... | Mathematics | TestHub
- If the mean deviation about median for the... | Mathematics | TestHub
- Let the mean and the variance of observati... | Mathematics | TestHub
- Let the mean ofobservations isand the stan... | Mathematics | TestHub
- The mean and standard deviation ofobservat... | Mathematics | TestHub
- The number of values ofsuch that the varia... | Mathematics | TestHub
- The mean and variance ofobservations were... | Mathematics | TestHub
- The mean and standard deviation ofobservat... | Mathematics | TestHub
- The mean of the numbersisand their varianc... | Mathematics | TestHub
- Suppose a class hasstudents. The average m... | Mathematics | TestHub
- Let the mean and the variance ofobservatio... | Mathematics | TestHub
- If the mean deviation about the mean of th... | Mathematics | TestHub
- The mean and variance of the datawherearea... | Mathematics | TestHub
- Let be the mean and be the standard deviat... | Mathematics | TestHub
- Let the mean and variance ofnumbersbeandre... | Mathematics | TestHub
- Let the mean of the dataFrequency be If an... | Mathematics | TestHub
- Consider the given data with frequency dis... | Mathematics | TestHub
- Let the six numbersbe inand.If the mean of... | Mathematics | TestHub
- If the mean and variance of the frequency... | Mathematics | TestHub
- Let the mean and variance ofobservations b... | Mathematics | TestHub
- The mean and standard deviation of the mar... | Mathematics | TestHub
- Let the mean and standard deviation of mar... | Mathematics | TestHub
- Let setsandhaveelements each. Let the mean... | Mathematics | TestHub
- Find the mean deviation about the mean for... | Mathematics | TestHub
- The mean and variance of a set of numbers... | Mathematics | TestHub
- The mean and variance of the marks obtaine... | Mathematics | TestHub
- Letbe in an A.P. with common difference. I... | Mathematics | TestHub
- Letandbe the two sets of observations. Ifa... | Mathematics | TestHub
- The mean and standard deviation ofobservat... | Mathematics | TestHub
- Letbe the set of all values offor which th... | Mathematics | TestHub
- If the mean of the frequency distributionC... | Mathematics | TestHub
- Let the mean of 6 observationsandbeand the... | Mathematics | TestHub
- If the variance of the frequency distribut... | Mathematics | TestHub
- The mean and variance ofobservations arean... | Mathematics | TestHub
- Let the positive numbersandbe in a G.P. Le... | Mathematics | TestHub
- The mean and variance ofobservations arean... | Mathematics | TestHub
- If the mean and variance of five observati... | Mathematics | TestHub
- Considerobservation, such thatand, wherear... | Mathematics | TestHub
- Let be a random variable, and let denote t... | Mathematics | TestHub
- If the variance of the data is then the va... | Mathematics | TestHub
- Let the mean and the variance ofobservatio... | Mathematics | TestHub
- If the mean and variance of the data,where... | Mathematics | TestHub
- Letbeobservations such thatand. Then the s... | Mathematics | TestHub
- Let the median and the mean deviation abou... | Mathematics | TestHub
- The mean and standard deviation ofobservat... | Mathematics | TestHub
- The mean and standard deviation of 100 obs... | Mathematics | TestHub
- Consider the following frequency distribut... | Mathematics | TestHub
- If the mean and the variance of , 13 are 9... | Mathematics | TestHub
- The variance of the numbers is | Mathematics | TestHub
- For a statistical data of 10 values, a stu... | Mathematics | TestHub
- Let the Mean and Variance of five observat... | Mathematics | TestHub
- Let be ten observations such that , and th... | Mathematics | TestHub
- Let the mean and the standard deviation of... | Mathematics | TestHub
Median(8)
- The median of a set of 9 distinct observat... | Mathematics | TestHub
- If: Raju is tall and : Raju is intelligent... | Mathematics | TestHub
- The median of 100 observations grouped in... | Mathematics | TestHub
- The mean and the median of the following t... | Mathematics | TestHub
- Consider the following frequency distribut... | Mathematics | TestHub
- Consider the following frequency distribut... | Mathematics | TestHub
- Let denote the median of the following fre... | Mathematics | TestHub
- Marks obtains by all the students of class... | Mathematics | TestHub
Mode(1)
Relation Between Mean, Median and Mode(3)
Relation Between Variance and Mean Deviation(12)
- Mean of 5 observations is 7 . If four of t... | Mathematics | TestHub
- The standard deviation of 5 scores is . Th... | Mathematics | TestHub
- If the mean of the following probability d... | Mathematics | TestHub
- The variance of 20 observations is 5 . If... | Mathematics | TestHub
- The frequency distribution of the age of s... | Mathematics | TestHub
- Let . Let the mean and the variance of 6 o... | Mathematics | TestHub
- Let the mean and the standard deviation of... | Mathematics | TestHub
- From a lot of 10 items, which include 3 de... | Mathematics | TestHub
- If the variance of the data is and the mea... | Mathematics | TestHub
- Let and . Let the mean, the mean deviation... | Mathematics | TestHub
- If the variance of the frequency distribut... | Mathematics | TestHub
- Cylindrical beaker of radius 11.5 cm is fi... | Mathematics | TestHub
Statistics(13)
- Consider the following statements: Mode ca... | Mathematics | TestHub
- If sample A contains 100 observations 200... | Mathematics | TestHub
- Find the variance of the data given below | Mathematics | TestHub
- All the students of a class performed poor... | Mathematics | TestHub
- If the value of mode and mean is 60 and 66... | Mathematics | TestHub
- IfM. D. is 12, the value of S.D. will be | Mathematics | TestHub
- The mean square deviation of a set of n ob... | Mathematics | TestHub
- The arithmetic mean of the data with frequ... | Mathematics | TestHub
- Marks obtains by all the students of class... | Mathematics | TestHub
- Let the mean and the standard deviation of... | Mathematics | TestHub
- Let the Mean and Variance of five observat... | Mathematics | TestHub
- If the mean and the variance of , 13 are 9... | Mathematics | TestHub
- The marks of some students were initially... | Mathematics | TestHub
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