In a study of the average weight of babies at different time intervals after birth, the babies’ measured weight is which of the following variables?
A. Independent
B. Control
C. Dependent
D. Constant
In this case, we are measuring average weight of the babies with time. The weight of the babies will vary with time, meaning when we vary time, the average weight of the babies will be different. Here, time is independent while average weight is dependent variable.
Therefore, the Correct Answer is C.
More Questions on TEAS 7 Math
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Q #1: Which of the following values is the greatest?
A. 4.25
B. 10/3
C. 4.4
D. 9/2
Answer Explanation
To compare the given values, convert them to the same number format. In this case, convert the given fractions into equivalent decimals.
10/3=3.3333…..
9/2=4.5
Thus, the numbers become 4.25, 3.333…, 4.4, 4.5
Now arranging them in ascending order becomes 3.333…., 4.25, 4.4, 4.5
From the above, 4.5 is the greatest value.
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Q #2: Which of the following is 31% of 426?
A. 425.69
B. 132.06
C. 13.7
D. 0.07
Answer Explanation
First convert 31% to a decimal before working on the problem
31%=31/100=0.31
Thus, 31% of 426=0.31*426=132.06
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Q #3: Which of the following percentages is equivalent to 5 ¼ ?
A. 525%
B. 514%
C. 5.25%
D. 5.14%
Answer Explanation
The percent equivalent of a fraction is obtained by multiplying the by frication by 100%.
Convert 5 ¼ into improper faction as follows
So, the percent equivalent is:
