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Student, minutes, student, minutes A 98 F 92 B 77 G 94 C 88 H 98 D 65 I 88 E 24 J 82 IMPORTANT:Use

Student, minutes, student, minutes

A 98 F 92

B 77 G 94

C 88 H 98

D 65 I 88

E 24 J 82

IMPORTANT:Use theDEFINITIONALformula (i.e., the first formula) for sum of squares!

1.A social scientist measures the number of minutes (per day) that a small hypothetical population of college students spends online.

a) What is the range of data in this population?

b) What is population variance?

Suppose the researcher selects a sample of eight students from the population in question 1. The sample consist of persons A, B, C, F, G, H, I and J.

a)What is the range of data in this sample?

b)What is the sample variance?

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