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Statistics and Probability Quiz

Authored by Aimie Alcantara

Mathematics

11th Grade

Statistics and Probability Quiz
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51 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following refers to a numerical quantity that is assigned to the outcome of an experiment?

probability

probability distribution

random variable

variable

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the probabilities of a random variable?

0

1

½

2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many standard deviations are there in each inflection point?

0

1

2

3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What value of a data set represents the center of the curve?

µ

α

σ

∑

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percent of a normal distribution lies outside of ±3 standard deviations?

0.3%

0.15%

99.7%

100%

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of data falls within one standard deviation of the mean?

25%

50%

68%

95%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following determines the width of the curve?

mean

standard curve

standard deviation

variation

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