Careers and the Changing Workplace — Unit test

Question 1

Irina’s basketball team has a 1 in 6 chance of winning the first-place trophy. She rolled a six-sided number cube repeatedly, assigning her team a number from 1 to 6 to demonstrate the probability that her team would win.

Revolt · Accepted Answer

simulation

Question 2

Ryan called each school in the district to determine whether or not they have a recycling program. What is true about Ryan’s data collection?

Revolt · Accepted Answer

Ryan conducted a survey where he asked about qualitative data.

Question 3

Darren kept track of the number of e-mails he received from one of his customers each day for 14 days on the dot plot.Which statement must be true according to the dot plot?

Revolt · Accepted Answer

The data is skewed left and shows that on half of the days, Darren received 11 or 12 e-mails from the customer.

Question 4

The box plot compares the number of events that Mrs. Cai’s and Mr. Roland’s classes won over the last 10 years on the school’s field day.Based on the data in the box plots, what is the best evidence to show which class has had greater success on field day over the last 10 years?

Revolt · Accepted Answer

Mr. Roland’s class was more successful because his class’s lower quartile was the same as Mrs. Cai’s class’s upper quartile.

Question 5

The interquartile range of the data set is 4.2, 2, 3, 3, 4, 5, 5, 6, 7, 9, 12Which explains whether or not 12 is an outlier?

Revolt · Accepted Answer

Twelve is not an outlier because it is less than the sum of 7 and 6.

Careers and the Changing Workplace — Unit test Answers

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