A researcher randomly surveyed two separate age groups to determine the number of hours teens spend on the Internet each week. The results are shown in this table.

13- to 14-year-olds 12 8 7 8 9 6 7 7 9 10
15- to 16-year-olds 15 6 21 12 13 12 8 9 7 10
Based on these results, which conclusions can you draw about these two groups of teens?

Select each correct answer.

Responses

On average, 15- to 16-year-olds spend a few hours more on the Internet each week compared to 13- to 14-year-olds.
On average, 15- to 16-year-olds spend a few hours more on the Internet each week compared to 13- to 14-year-olds.

On average, 15- to 16-year-olds spend a few hours less on the Internet each week compared to 13- to 14-year-olds.
On average, 15- to 16-year-olds spend a few hours less on the Internet each week compared to 13- to 14-year-olds.

On average, the two groups of teens spend about the same amount of time each week on the Internet.
On average, the two groups of teens spend about the same amount of time each week on the Internet.

The amount of time that 15- to 16-year-olds spend on the Internet each week is more variable than the amount time 13- to 14-year-olds spend.
The amount of time that 15- to 16-year-olds spend on the Internet each week is more variable than the amount time 13- to 14-year-olds spend.

The amount of time 15- to 16-year-olds spend on the Internet each week is less variable than the amount time 13- to 14-year-olds spend.
The amount of time 15- to 16-year-olds spend on the Internet each week is less variable than the amount time 13- to 14-year-olds spend.

The amount of time that the two groups spend on the Internet each week varies by about the same amount.
The amount of time that the two groups spend on the Internet each week varies by about the same amount.