SAT Prep on Statistics

SAT Prep on Statistics

11th - 12th Grade

21 Qs

quiz-placeholder

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SAT Prep on Statistics

SAT Prep on Statistics

Assessment

Quiz

Mathematics

11th - 12th Grade

Hard

Created by

Barbara White

FREE Resource

21 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Assume that in your History class you have earned test scores of 78, 82, 56, and 72.  Only 1 test remains.  If you need a mean score of 75 to earn a C in the class, what must you score on the final test?

75

87

12

57

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the mean and standard deviation (Sx) for the following data set:

89, 72, 100, 87, 65, 98, 77, 92

85, 12.5

75.3, 30.65

85, 11.7

88, 12.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What percent of data on normal curve is between z=0 and z=1.23?

68%

12%

89%

38.9%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What percent of data on a normal curve is above z=1.45?

92.5%

42.5%

7.4%

34%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What percent of data on a normal curve is below z= -1.4?

8%

92%

58%

5%

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the z score if the mean is 80, standard deviation is 5, and x=87.

-1.4

1.4

-1.75

1.75

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find x if the mean is 20, standard deviation is 6, and z=1.32.

32.4

7.92

-12.08

27.92

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