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The Practice of Statistics

Authored by Barbara White

Mathematics

11th - 12th Grade

The Practice of Statistics
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24 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the area under the curve between z = 1.23 and z = 1.90

.0806

.0987

.0735

.0563

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the area under the standard normal curve to the right of z = -2.67.

0.0869
0.9962
0.0008
0.1234

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the area under the normal distribution curve to the left of 
Z=0.27.

0.3936
0.3897
0.6064
0.4892

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the area under the normal distribution curve between 
z=-1.53 and z=0.

0.437
0.563
0.500
0.063

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Find the area under the standard normal curve to the right of z = -2.67.

0.0869
0.9962
0.0008
0.1234

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

This data is normally distributed.  What percent of the data is in the shaded region?

68%
95%
99.7%
50%

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A z-score tells you...

the standard deviation of a sampling distribution.
the original raw score on which it is based.
if the distribution it comes from is normal.
how many standard deviations away from the mean a score lies.

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