Further Maths - THE END

A correlation coefficient of r = 0.58 indicates that the association between two variables is:

• Strong and positive

• Moderate and positive

• Strong and negative

• Moderate and negative

The association between two numerical variables (such as age and height) is best displayed using a:

• Scatterplot

• Histogram

• Parallel Box Plots

• Dot Plot

Identify the correct statement.

• Sales is the explanatory variable

• Temperature is the response variable

• As the temperature increases, the number of sales decreases

• The correlation coefficient is positive

Tags

CCSS.HSS.ID.C.9

The association seen here is:

• Strong, positive

• Strong, negative

• Weak, positive

• Weak, negative

Tags

CCSS.HSS.ID.B.5

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?

• 193
• 127
• 60
• 66

Calculate the mean of this data set:

7, 24, 30, 10, 8, 11, 17, 39, 4

• 16.7

• 17.6

• 15.0

• 15.7

Identify the INCORRECT statement.

• The interquartile range is 40

• The lowest score in the class is 20

• 25% of students scored between 30 and 70

• The median score is 63

What percentage of girls have blonde hair?

• 30%
• 32%
• 29%
• 40%

Tags

CCSS.5.NF.B.3

Completing a survey, people were asked to rate the quality of a movie as very low, low, average, high or very high. This data is:

• Categorical - Nominal

• Categorical - Ordinal

• Numerical - Discrete

• Numerical - Continuous

The distribution here is:

• Positively skewed

• Negatively skewed

• Approximately symmetrical

• uniformly distributed