Question

Calculating the relative frequencies from the data given in the table. Choose all that correctly describe an association between favorite subject and grade.
A higher percentage of 8th graders than 7th graders prefer History.

A higher percentage of 7th graders than 8th graders prefer English.

A higher percentage of 8th graders than 7th graders prefer Math/Science.

Answer 1

The statement second a higher percentage of 7th graders than 8th graders prefer English and statement third a higher percentage of 8th graders than 7th graders prefer Math/Science are correct.

What is a conditional relative frequency?

It is defined as the frequency that can be evaluated by the two-way frequency table. Usually, we can obtain this frequency by dividing the frequency that is not in the total frequency cell to total frequency.

We can find conditional relative frequency as:

For first cell:

= 38/116

= 0.327

= 32.75% (refer attached picture)

Similarly, we can find for other cells.

A higher percentage of 7th graders than 8th graders prefer English and History, while a higher percentage of 8th graders than 7th graders prefer Math/Science.

Thus, the statement second a higher percentage of 7th graders than 8th graders prefer English and statement third a higher percentage of 8th graders than 7th graders prefer Math/Science are correct.

Learn more about the conditional relative frequency here:

brainly.com/question/8358304

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