A company produces an item M whose mean sa<=s per shop per month was found to be 84 dozens. After an advertisement, a samp<= of 26 shops was taken and mean sa<=s was found to be 80 dozens with standard deviation of 9. Based on this data, which of the following is true? (Given t_25(0.05) = 2.06) [t = t-test statistic]

Advertisement was effective for sa<=s

Advertisement was not effective for sa<=s

Advertisement was effective for sa<=s

CUET Mathematics - A company produces an item M whose mean sales per shop per month was found to be 84 dozens. After an advertisement, a sample of 26 shops was taken and mean sales was found to be 80 dozens with standard deviation of 9. Based on this data, which of the following is true? (Given t_25(0.05) = 2.06) [t = t-test statistic] | PYQs + Solutions

CUET Mathematics 2026 25th May Shift 1

Statistics & Applications

Hard

applied

Advertisement was not effective for sales

Advertisement was effective for sales

Calculated $\lvert t\rvert = t_{25}(0.05)$

Calculated $\lvert t\rvert < t_{25}(0.05)$

✅ Correct Option: 2

Related questions:

15th May Shift 1

Which of the following statements are correct?

A. The measurable characteristic of a population is called parameter.

B. Sample is a subgroup of members of the population.

C. Population is a collection of all elements having the same characteristics.

D. The difference between a population parameter and a sample statistic is known as sampling error.

Choose the correct answer from the options given below:

15 May Shift 2

In reference to the Inferential Statistics, which of the following is NOT correct?

30th May Shift 1

Match the LIST-I with LIST-II

LIST-I	LIST-II
A. The percentage of all possible samples that can be expected to include the true population parameter	I. Standard error
B. The statistical measures computed from the sample observations alone	II. Null hypothesis
C. Assumtion made about a population parameter	III. Statistic
D. Standard deviation of the sampling distribution of a statistic	IV. Confidence level

Choose the correct answer from the options given below: