Week 3 Statistics 1 Questions | Prasnya

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Distance covered by a runner in the first five days of training are

3

5

3

6

7

km. If the runner covers a distance of

4

km on the sixth day, then how does it affect his overall performance?

Single correctMARCH 24, 2024

Five number summary (min,

Q_1

Q_2

Q_3

, max) of the given data is:

ComprehensionMARCH 24, 2024

Find the IQR (Inter-quartile range) of the given dataset.

ComprehensionMARCH 24, 2024

Which among the following statements is/are true for a variable

X

Multiple correctDECEMBER 03, 2023

DECEMBER 03, 2023

The dataset consists of three distinct observations, say

x

y

z

, and the sum of their frequencies is

100

. Relative frequencies corresponding to

x

z

35\%

45\%

respectively. Find the cumulative frequency

(\%)

y

z

Integer answerAUGUST 06, 2023

AUGUST 06, 2023

Consider the dataset

-2,-3,4,6,10

. What is the value of IQR for the given dataset?

Single correctAPRIL 02, 2023

The mean and population variance of the dataset

x_1,x_2,\ldots,x_8

are 19 and 49 respectively. What is the value of sample variance?

Integer answerAPRIL 02, 2023

75^{\text{th}}

percentile of the dataset

88, 70, x, 75, 76

x

, then what can be the possible value(s) of

x

Multiple correctJULY 10, 2022

The mean height of

6

members of group-A is

6

feet and the mean height of

n

members of group-B is

4

feet. If the sum of the heights of all members of both groups is same, then find the value of

n

Integer answerJULY 10, 2022

If the population standard deviation of a dataset is

14

and the sample standard deviation of the same dataset is

15

, find the number of observations in the dataset. Enter the value as next highest integer.

Integer answerJULY 10, 2022

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