Statistics Assessment Review

A survey of 150 people asked "If you could have a new vehicle, would you want a two door sports car?" Of the 100 men surveyed, 80 wanted a two door sports car. Whereas, of the women surveyed, 40 didn't want the 2 door sports car.

a. Construct a two way frequency table

b. Construct a segmented bar graph

Is there an association between gender and the desire for a two door sports car?

• yes, 80% of men want a sports car, while 80% of women do not want a sports car.

• no, 80% of men want a sports car, while 80% of women do not want a sports car.

• yes, 80% of both men and women want a sports car

• no, 80% of both men and women want a sports car

The heights of 82 mothers and their eldest daughters are classified as "short", "medium", or "tall. The results are displayed in the frequency table. Of the mothers whose height is classified as "tall", the percentage who have eldest daughters whose height is classified as "short" is closest to ____

• 3%

• 4%

• 14%

• 17%

• 27%

The heights of 82 mothers and their eldest daughters are classified as "short", "medium", or "tall. The results are displayed in the frequency table. What percentage of all mothers had a daughter classified as "tall"?

• 6%

• 9%

• 10%

• 24%

• 27%

The blood pressure (low, normal, high) and the age (under 50 years, 50 years or over) of 110 adults were recorded. The results are displayed in the two-way frequency table. The percentage of adults under 50 years of age who have high blood pressure is closest to _____.

• 11%

• 19%

• 26%

• 44%

• 58%

The blood pressure (low, normal, high) and the age (under 50 years, 50 years or over) of 110 adults were recorded. The results are displayed in the two-way frequency table. The percentage of people with high blood pressure who are 50 years or over is closest to _____.

• 11%

• 23%

• 32%

• 44%

• 68%

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• 
• 
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Which of these graphs shows the line of best fit?

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The scatter plot shows the profit, by month, for a new company for the first year of operation. Kate drew a line of best fit, as shown in the diagram. Using this line, what is the best estimate for profit in the 18th month?

• $35,000

• $37,750

• $42,500

• $45,000