Question

Chin researched the amount of money 150 students earned per month from jobs held during the summer. He created a table of six sample means from his collected data

Answer 1

A valid prediction about the mean of the population is Option(b) The predicted mean of the population will be less than 245.

Sample data:

1 2 3 4 5 6

240 236 245 243 238 242

Mean = sum of sample data/sample frequency

(240+236+245+243+238+242)/6 = 240.67

Hence, the Correct answer is Option(b).

Answer choices are below:

a) The predicted mean of the population will be less than 200.

b) The predicted mean of the population will be less than 245.

c) The predicted mean of the population will be more than 275.

d) The predicted mean of the population will be more than 250.

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