Unit 2 Topic 3 Review

Armin has recorded his siblings' shoe sizes, producing the following table.

Identify the type of numerical data.

• Discrete

• Continuous

Looking at the back-to-back stem and leaf plot below, which data set has a smaller standard deviation?

• Real Creatures

• Fictional Creatures

Answer explanation

The graph with the smaller standard deviation will have its data points clustered around the mean

Below are the reigns of several different monarchs (in years):

1,3,4,12,13,20,25,38,39

Find Q3

Select the correct answer from the options given, using the dot plot above

• Unimodal

• Bimodal

• Multimodal

Interpret the parallel boxplot to complete the following statement.

"The scores from the Physics test have the higher maximum/minimum value so the Physics/Chemistry test had the highest score achieved between the two tests."

• Minimum/Physics

• Minimum/Chemistry

• Maximum/Physics

• Maximum/Chemistry

What is standard deviation a measure of?

• Measure of Centre

• Measure of Spread

For the data set

165, 210, 220, 231, 232, 308, 427, 442, 451, 611

Calculate the five-number summary

• 165, 220, 308, 442, 611

• 165, 220, 270, 442, 611

• 165, 232, 442, 451, 611

• 165, 232, 427, 451, 611

The number of team merchandise sold for two stores in a week is displayed in the following box plot.

Identify the sales for each store.

• The average sales in Store B was higher than Store A

• The average sales in Store A was higher than Store B

• The distribution of sales is negatively skewed for both stores

For the data set,

1, 3, 8, 8, 9 ,15, 16, 21, 29, 55, 61

determine the outlier(s) and the value of the interquartile range.

• IQR: 31.5

  Outlier: 1

• IQR: 31.5

  Outliers: 55, 61

• IQR: 21

  Outlier: 61

• IQR: 21

  Outliers: 55, 61

Identify the type of data that would be collected from the following survey question

What are the different forms of transport used by Australians to travel to work?

• Categorical Nominal

• Numerical Discrete

• Categorical Ordinal

• Numerical Continuous