3.1 Independent and Dependent Variables

Front

What is the independent variable in the experiment where one chicken is injected with a growth hormone and another is not, and both are weighed after one year?

Back

If a chicken was injected with a growth hormone or not

Front

What is the independent variable in the experiment where bug repellent was sprayed on one arm and not on the other, and the number of bug bites was recorded after 2 hours?

Back

If an arm was sprayed with bug repellent or not

Front

What is the dependent variable when comparing test grades after different hours of sleep?

Back

The test grades

Front

What is the dependent variable in the study where Group A exercises for a month and Group B does not, and afterwards, they measure the amount of weight each group lost?

Back

How much weight each group lost

Front

Jimmy earned $8 for every pizza he delivers.

m = money (dollars)

p = number of pizzas delivered

The dependent variable is:

Options: m = money, p = number of pizzas delivered

Back

m = money

Front

Emma gets one sticker for every paper she completes.

s = stickers earned

p = papers completed

The independent variable is:

Back

p = papers completed

Front

y = x - 6. What is the missing number?

Back

12

Front

What number belongs in the blank box? Options: 76, 77, 75, 82

Back

76

Front

What are the missing numbers in the table? Options: 1, 2, 10, 4, 5, 12, 5, 6, 14, 2, 6, 4

Back

5, 6, 14

Front

What is the value of the missing output? Options: 44, 42, 30, 36

Back

42