Statistics & Probability Quiz

Statistics & Probability Quiz

10th Grade

β€’

20 Qs

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Statistics & Probability Quiz

Statistics & Probability Quiz

Assessment

Quiz

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others

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10th Grade

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Practice Problem

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Hard

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

It is the statistical method used in making decisions using experimental data.

observation

simple analysis

analytical testing

hypothesis testing

2.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

What term is being used to describe a proposed explanation, assertion, or assumption about a population parameter or about the distribution of a random variable?

statistic

decision

hypothesis

probability

3.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

It is also referred to as a probability of rejecting the null hypothesis. It also refers to committing an incorrect decision about the null hypothesis.

level of error

level of hypothesis

level of acceptance

level of significance

4.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Which of the following would be an appropriate null hypothesis?

The mean of a population is less than 80.

The mean of a population is equal to 80.

The mean of a population is not equal to 80.

The mean of a population is greater than 80.

5.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Which of the following describes an alternative hypothesis using two-tailed test?

π»π‘Ž: πœ‡<50 π‘¦π‘’π‘Žπ‘Ÿπ‘  π‘œπ‘™π‘‘

π»π‘Ž:πœ‡>50 π‘¦π‘’π‘Žπ‘Ÿπ‘  π‘œπ‘™π‘‘

π»π‘Ž:πœ‡β‰ 50 π‘¦π‘’π‘Žπ‘Ÿπ‘  π‘œπ‘™π‘‘

π»π‘Ž:πœ‡=50 π‘¦π‘’π‘Žπ‘Ÿπ‘  π‘œπ‘™π‘‘

6.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Which of the following must be used as the significance level if we want a lower possibility of correct decision?

1%

2%

5%

10%

7.

MULTIPLE CHOICE QUESTION

1 min β€’ 1 pt

Which of the following would be an appropriate alternative hypothesis for one-tailed test?

π»π‘Ž: πœ‡=85

π»π‘Ž: πœ‡β‰₯85

π»π‘Ž: πœ‡β‰₯85

π»π‘Ž: πœ‡<85

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