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Thursday April 16th Stats Assessment

Authored by Johnna Belkiewitz

Mathematics

12th Grade

Thursday April 16th Stats Assessment
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

a only

b only

c only

a and b only

b and c only

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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x +/- s

x +/- sigma

x +/- (standard deviation of x)

x +/- k(standard deviation of x)

either a or b, depending on whether sigma is known

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The second interval would have the same width as the original interval

The second interval would be wider than the original interval

The second interval would be narrower than the original interval

The width of the second interval would either be the same or wider, but it is not possible to tell which

It is not possible to tell how the second interval width would compare to the original interval, because both the sample size and the confidence interval are changed

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The width of the interval will be unchanged

The interval will become wider

The interval will become narrower

The interval width will not stay the same, but we can't tell whether the interval will become narrower or wider

It is not possible to tell based on the information given

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

a only

b only

c only

a and b only

b and c only

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