CUET Mathematics - Consider the following hypothesis test : H_0 : ≤ 20 H_1 : > 20 A sample of 81 produced a sample mean of 20.55. The population standard deviation is 3. The value of the test statistic is : | PYQs + Solutions

CUET Mathematics 2023 15 June Shift 2

Applied Mathematics

Easy

1.85

$-2.05$

$-2.15$

1.65

✅ Correct Option: 4

Related questions:

25 May Shift 1

Match List I with List II

LIST I	LIST II
A. A special characteristic of a population is known as a:	I. statistic
B. A special characteristic of a sample is known as a:	II. Confidence interval
C. The uncertainty of a sampling process is expressed by:	III. Estimation
D. The process by which one makes the inferences about a population based on the information obtained from a sample is known as:	IV. Parameter

Choose the correct answer from the options given below:

7 June Shift 1

Consider the following hypothesis test : $H_0 : \mu \leq 24$ , $H_a : \mu > 24$

A sample of 64 provided a sample mean of 24.3 . The population standard deviation is 2. The value of the test statistic is :

23 May Shift 3

In the formula for Z-test statistic $Z = \frac{\bar{x} - \mu_0}{\frac{\sigma}{\sqrt{n}}}$ , mark the incorrect statement.

CUET Mathematics 2023 15 June Shift 2 PYQs