L(4.4), Interpret Two – way Frequency Tables.

CHOOSE the categorical data variable.

Justify your choice

• temperature

• weight

• height

• color

Data that can be expressed with numerical measurements are

• quantitative data

• categorical data

which cannot be expressed using numbers. Data describing animal type, model of car, or favorite song are examples of categorical data

• quantitative data

• categorical data

Identify whether the given data is categorical or quantitative. large, medium, small

• quantitative data

• categorical data

120 ft 2 , 130 ft 2 , 140 ft 2

• quantitative data

• categorical data

A frequency table shows how often each item occurs in a set of categorical data. Use the categorical data listed on the left to complete the frequency table.

• CAR 5

  WALK 7

• CAR 7

  WALK 5

can determine the numbers for each category by counting the number of times each category is listed in the data.

• TRUE

• FALSE

WHICH IS CORRECT

• The sum should equal the total number of items in the data set.

• The sum should more than the total number of items in the data set.

• The sum should less than the total number of items in the data set.

Entries in the body of the table (the blue cells where the initial counts appear) are called

• joint frequencies

• marginal frequencies

The cells which contain the sum (the orange "Totals" cells) of the initial counts by row and by column are called

• joint frequencies

• marginal frequencies