Mathematics, 30.03.2021 22:40, aaron2113
The table shows the number of hours spent practicing singing each week in three samples of 10 randomly selected chorus members.
Which statement is most accurate based on the data?
A). A prediction based on the data is reliable, because the means of
the samples are close together.
B). A prediction based on the data is reliable because each sample
has 10 data points.
C). A prediction based on the data is not completely reliable, because
the means are not the same.
D.) An predition based on the data is not completely reliable, because
the means of samples 1 and 2 are greater than 9 and the mean of
sample 3 is less than 9.
Answers: 3
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Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π
Answers: 1
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You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2
Answers: 1
Mathematics, 21.06.2019 23:00, DisneyGirl11
In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2
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