Statistics Final Exam

Statistics Final Exam

12th Grade

15 Qs

quiz-placeholder

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Statistics Final Exam

Statistics Final Exam

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

Created by

Anthony Clark

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 1757 represents "yes" voters out of 2584, what would be our appropriate point estimate for the proportion of yes voter in the whole population?

.6799535604

.3200464396

1.96

.0091769818

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 1757 represents "yes" voters out of 2584, what would be our appropriate standard error for the proportion of yes voter in the whole population?

.6799535604

.3200464396

1.96

.0091769818

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 1757 represents "yes" voters out of 2584, construct a 95% confidence interval for the "yes" group.

(.662, .698)

(.302, .338)

(.305, .335)

(.665, .695)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If 1757 represents "yes" voters out of 2584, construct a 95% confidence interval for the "no" group.

[.662,.698]

[.298,.342]

[.302,.338]

[.288,.352]

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suppose 544 females were surveyed. It as determined that the median ideal number of children is 2, the mean is 3.09, and the standard deviation is 1.19. Find the 95% confidence interval.

[2.98,3.19]

[2.92,3.26]

[3.00,3.36]

[1.19,3.19]

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The heights of 6 plants are 54.6, 59.6, 61.6, 62.4, 64.9, and 70.6. What would be an appropriate point estimate for a population of plants to which these plants belong?

65

64.2

59.1

62.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a set has a population proportion of .6 and a sample size n=6, what's the standard deviation of the sampling distribution?

.3

.14

.2

.42

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