Knowledge quiz

It's time to put what you've learned to the test, get 8 right to pass this week.

What is the scale of measurement if an item can be allocated to separate categories?

There are two correct answers.

Nominal

Ordinal

Interval

Ratio

Which of the following statements about interval data are true?

There are three correct answers.

You can say one item is greater or smaller than the other item.

You cannot say by how much one item is greater or smaller than the other item.

You can establish the numerical interval difference between two items.

You can calculate by how many times one item is more or less in value than another item.

It can be ranked from the lowest to the highest.

Which of the following are examples of qualitative data types?

There are two correct answers.

Gender (male or female)

Ethnicity (country)

Age (years)

Salary ($)

Height (meters)

What is the right (upper) outer fence value if Q1 = 10 and Q3 = 20?

Choose the correct answer.

-10

What is the median of the following set of numbers {50, 20, 40, 10}?

Choose the correct answer.

What percentage of the measurements will fall within one standard deviation of the mean according to the Empirical Rule?

Choose the correct answer.

50%

68%

95%

99.7%

What is the value of Q3 in the set of numbers {1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27}?

Choose the correct answer.

Which of the following can be used to display quantitative data?

There are two correct answers.

Pie chart

Scatter plot

Bar graph

Pareto chart

What does the symbol "s" refer to when describing populations/samples?

Choose the correct answer.

Sample standard deviation

Population standard deviation

Sample mean

Population mean

10.

What type of table would you use if you wanted to examine how income level influences the relationship between gender and payment method?

Choose the correct answer.

One-way table

Two-way table

Contingency table

Three-way table