The researcher looked at the age bracket of the respondents and realized the majority of the respondents are between 21 and 30 years.

The initial cohort aged 15-19 in 2004 is tracked until they are 31-35 years old in 2020, or until their last participation.

A manager of a company believes that the average age of its customers is 40. However, theCEO of the company thinks that the average age of the company’s customers differs from 40. To testthis, she randomly selected 60 customers, and the average customer age was found to be 42.7 years.Assume the (population) standard deviation for customer age is 8 years. Using a 5% level ofsignificance, does the sample provide enough evidence to refute the claim made by the manager

uantitative Aptitude: Ages [Section 1 of 1] Q1 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 32:55Select the correct answerRatio of present ages of P and Q are 7 : 3. After four years their ages will be in the ratio 2 : 1. Then the present age of P (in years) is?

The people in the study are known as the:RespondentsSubjectsTargetsPatients

Quantitative Aptitude: Ages [Section 1 of 1] Q6 of 30 Marks 1 General Instructions 100% ×CloseTest time left: 29:21Select the correct answerThe ages of two persons differ by 20 years. If 5 years ago, the elder one be 5 times as old as the younger one, their present ages (in years) are respectively?