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Laabri

Unit 2 Test

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Last updated about 2 years ago
22 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

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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1.

Scores on a Unit Test

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

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2.

Scores on a Unit Test

How many students took the Unit Test?

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3.

Points Scored in a Game by a Player

How many players scored at least 6 points?

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4.

Points Scored in a Game by a Player

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

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5.

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

Draggable itemarrow_right_altCorresponding Item

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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

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6.

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

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7.

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

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8.

Scores on a Unit Test

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

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9.

Scores on a Unit Test

What is the median score on the Unit Test?

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10.

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

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11.

Scores on a Unit Test

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

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12.

What is the median average monthly temperature?

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13.

What is the first quartile, Q1?

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14.

What is the third quartile, Q3?

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15.

Which of the following boxplots has a upper outlier?

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16.

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

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17.

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

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18.

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

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19.

Compare the distribution of these three histograms.

Which histogram has the smallest standard deviation? Explain why?

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20.

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

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21.

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

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22.

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