EBook Problems Normal Critical

EBook Problems Set - Nonstandard Normal Distribution: Finding Scores (Critical Values) Problems

Problem 1

Given the following summary statitics, which of the statements below is true?

Chemistry test score of Class A: Mean = 70 Standard deviation = 10 Chemistry test score of Class B: Mean = 70 Standard deviation = 5

Jack is in class A and got a score of 80 John is in class B and got a score of 80

• Choose one answer.

(a) John's performance in chemistry is better than Jack's.

(b) Jack and John did equally well in chemistry.

(c) John's and Jack's scores in chemistry are not comparable.

(d) We need more information to compare Jack's and John's scores.

Answer

 (a)

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