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EOC BW - STATS 12/3/2019

Last updated about 6 years ago

4 questions

1

1

1

1

Question 1

1.

30% of the participants preferred C

40% of the participants were boys

45/120 of the boys preferred A

50% of the participants who preferred C were girls

the proportion of girls who preferred A is equal to the proportion of boys who preferred B

Question 2

2.

Peyton is given the following data on minutes it takes for him to clean his room:

12, 25, 22, 14, 15, 14, 18, 19, 20, 20

The next time he cleans his room, it takes him 57 minutes. Which measure of central tendency would be affected the most?

mean

median

mode

standard deviation

Question 3

3.

This scatter plot shows the relationship between the age of a car and its value. Which best describes the relationship between the variables?

Strong Negative Association

Weak Negative Association

No Correlation

Weak Positive Association

Strong Positive Association

Question 4

4.

Which statement best describes the trend shown in the relationship from number 3?

 There is no clear relationship between the age of a car and its value. 

 As the age of a car increases, the value decreases .

 As the age of a car increases, the value increases. 