CUET Mathematics - A 95% confidence interval for a population mean was reported to be 152 to 160. If sample standard deviation =15, then sample size used in this study is (Given Z_0.025=1.96) | PYQs + Solutions

CUET Mathematics 2025 22 May Shift 2

Statistics & Applications

Medium

applied

✅ Correct Option: 4

Related questions:

26 May Shift 2

Consider the following test:

H₀: μ ≤ 12

H₁: μ > 12

A sample of 36 provided a sample mean $\bar{x} = 16$ and a sample standard deviation S=4.2. Then the value of the t- test statistic is:

30 May Shift 2

Match List-I with List-II

List-I	List-II
(A) The measurable characteristic of a population is called	(i) Sample
(B) The measurable characteristic of a sample is called	(ii) Alternative hypothesis
(C) A smaller group of a population selected to represent a population is called	(iii) Parameter
(D) The assumption made opposite to the null hypothesis is called	(iv) Statistic

Choose the correct answer from the options given below:

14 May Shift 1

Match List-I with List-II

List-I	List-II
(A) An observed set of population selected for analysis	(I) Parameter
(B) A specific characteristic of the population	(II) Hypothesis
(C) A specific characteristic of the sample	(III) Statistic
(D) A statement made about a population parameter for testing	(IV) Sample

Choose the correct answer from the options given below:

CUET Mathematics 2025 22 May Shift 2 PYQs