CUET Mathematics - Which one of the following statement is not correct? | PYQs + Solutions

CUET Mathematics 2025 22 May Shift 1

Statistics & Applications

Easy

applied

Sample is a collection of some elements of population having same characteristic.

The measurable characteristic of sample is called statistic.

A survey done using a sample of the population has no margin of error.

The sample makes inference about the population.

✅ Correct Option: 3

Related questions:

16 May Shift 1

Which of the following are correct?

(A) A statistical hypothesis is a statement about the population parameter which may be true or false.

(B) In a statistical hypothesis testing procedure, a Type I error is made when the null hypothesis is accepted when it is false.

(C) In a statistical hypothesis testing procedure, a Type II error is made when the null hypothesis is rejected when it is true.

(D) The number of degrees of freedom of a statistic is the number of independent variates used to compute that statistic.

Choose the correct answer from the options given below:

3 June Shift 1

Consider the following hypothesis

$H_0: \mu = 315$ and $H_1: \mu \neq 315$

A sample of 60 provided a sample mean of 324.6. The standard deviation ( $\sigma$ ) is 14 and level of significance $\alpha = 0.05$ . Then the confidence interval is:

[Given: $Z_{0.5}\sqrt{\frac{14}{60}} = 3.54$ ]

21 May Shift 2

Consider a random sample of 10 students having 116 cm as mean height and standard deviation as 9.798 cm. If the suggested mean height of the students population is 110 cm then the t-test statistic of the sample is:

[given $\frac{\sqrt{10}}{9.798} = 0.3227$ ]

CUET Mathematics 2025 22 May Shift 1 PYQs

Keyboard Shortcuts