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Biblioteka

Unit 2 Test

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Posljednje ažuriranje about 2 years ago
22 questions
Napomena autora:

You may use a handheld calculator, but not your cell phone calculator.

You may use a handheld calculator, but not your cell phone calculator.

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Pitanje 1
1.

Scores on a Unit Test

What is the range of the test scores in the stemplot above?

Pitanje 2
2.

Scores on a Unit Test

How many students took the Unit Test?

Pitanje 3
3.

Points Scored in a Game by a Player

How many players scored at least 6 points?

Pitanje 4
4.

Points Scored in a Game by a Player

What is the relative frequency of a player scoring 7 points?

Pitanje 5
5.

Match the histogram to the term that best describes its shape.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

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Unimodal, Bell Shaped

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Bimodal

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Right Skew

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Left Skew

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None of the Above

Pitanje 6
6.

About how many students were under 60% for their grade?

Pitanje 7
7.

Based on the distribution of student grades, do you think this was a fair test? Justify your reasoning.

Pitanje 8
8.

Scores on a Unit Test

What is the mean score on the Unit Test? Round to the nearest tenth of a percent.

Pitanje 9
9.

Scores on a Unit Test

What is the median score on the Unit Test?

Pitanje 10
10.

Is the mean the same, right, or left of the median? What does this tell you about the spread of the data?

Pitanje 11
11.

Scores on a Unit Test

What is the mode of the Unit Test? There maybe more than one answer.

Pitanje 12
12.

What is the median average monthly temperature?

Pitanje 13
13.

What is the first quartile, Q1?

Pitanje 14
14.

What is the third quartile, Q3?

Pitanje 15
15.

Which of the following boxplots has a upper outlier?

Pitanje 16
16.

What is the approximate age range of actors (males) who have been Oscar Winners? Include any outliers.

Pitanje 17
17.

What is the approximate median age of actresses (women) who have been Oscar Winners?

Pitanje 18
18.

According to the Central Limit Theorem which of the following samples would be closer to a normal distribution?

Pitanje 19
19.

Compare the distribution of these three histograms.

Which histogram has the smallest standard deviation? Explain why?

Pitanje 20
20.

What is the mean age of this sample of U.S. State Senators? Round to the nearest tenth of a year.

Pitanje 21
21.

What is the standard deviation of this sample of U.S. State Senators? Round to the nearest tenth.

Pitanje 22
22.

How many state senators do not fall with in one standard deviation of the mean?