G12 - W11 Classwork

To classify movies as action, romance, comedy and drama. This data is

• Qualitative

• Discrete

• Continuous

• Invalid

The amount of pizza delivered per day by a pizzeria is classified as

• Qualitative Data

• Discrete Data

• Continuous Data

• Invalid Data

The amount of time it takes students to finish daily assignments is classified as

• Qualitative Data

• Discrete Data

• Continuous Dara

• Invalid Data

Monique found that of the students in her computer applications course have computers at home. She then predicted that since there are 800 students in her school, about 720 of them have computers at home. Describe the reason that her prediction in invalid.

• Her calculations are incorrect.

• Her sample is random.

• Her sample is not large enough.

• He sample is biased as she only surveyed her computer class.

Which of the following is not a measure of central tendency?

• mean

• median

• mode

• range

In Syracuse, high temperature for 6 days were recorded as: 72, 80, 80, 82, 87, 89 and 91. Find the mean score.

• 84

• 83

• 82

• 80

The percent scores of 5 tests are listed below:

45, 62, 76, 78 and 99.

Which statement about the data is most reasonable?

• The mean is close to 50.

• The mean is close to 54.

• The mean is close to 70.

• The mean is close to 80.

Jeff recorded his bowling scores for 8 games.

104, 122, 142, 136, 155, 138, 142, 95.

What is the median score?

• 60

• 137

• 140

• 142

The weather forecast for next week is shown below:

Monday: 36 degrees

Tuesday: 10 degrees

Wednesday: 18 degrees

Thursday: 12 degrees

Friday: 32 degrees

Which day corresponds to the median temperature?

• Tuesday

• Wednesday

• Thursday

• Friday

The data below shows the number of kilowatt-hours of electricity used last month at each of the houses on Harris Street.

620, 570, 570, 590, 560, 640, 590, 590, 580

What is the mode of the data?

• 570

• 580

• 590

• Can not be determined