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Statistic and Probability

Authored by Mayjay Tubiano

Mathematics

11th Grade

Used 3+ times

Statistic and Probability
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is most likely a parameter opposed to a statistic?

The proportion of females registered to vote in a country

   The average height of people randomly selected from a database.

  The proportion of trucks stopped yesterday that were cited for bad brakes.

The average score of the first five learners completing an assignment.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Consider the set of data 86, 88, 90, 95, and 98 with a sample size of 3. What is population size N?

3

5

8

7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Central Limit Theorem states?

The more samples are taken, the more centralized the samples will become.

The more samples are taken, the more a graph will look like a normal distribution.

The more you run a random experiment, the more results will follow a normal distribution.

The more you run a random experiment, the more centralized the results will become.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mean of 13, 27, 29, 17, and 24?

22

13

29

28

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Grade 10 students took NAT Exam last year. Their mean NAT score is 65 and sixty students were chosen and had the standard deviation of their score is 5. What is the mean of the sample mean?

10

25

65

60

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following serves as a guide in deciding whether to reject or accept the null hypothesis?

acceptance region

decision rule

rejection region

interpretation

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the z-value which corresponds to the 50th percentile?

1.5

1.0

0.5

0

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