CUET Mathematics - A small start-up started making wafers and distributing them to the retailers. After a week, average sales per week were found to be 150 packets. So, to increase the sales, a strategy was used to change the packaging and add a chocolate worth Rs. 5 as a free gift with the pack. After this, a sample of 17 shops was taken, which showed that sales went up with mean 165 and a standard deviation of 25. Check whether the strategy was effective @5%, level of significance ? [Given t₀.₀₅=2.12] | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 1

Statistics & Applications

Medium

applied

Strategy was effective as null hypothesis is accepted

Strategy was effective as null hypothesis is rejected

Strategy was not effective as null hypothesis is accepted

Strategy was not effective as null hypothesis is rejected

✅ Correct Option: 2

CUET Mathematics 2025 3 June Shift 1 PYQs