Weighted Averages — Unit test Answers
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The table shows the number of calories in four meals and the cost of each meal.
A
a weak positive correlationB
a strong positive correlationC
a weak negative correlationD
a strong negative correlation22
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The data set represents the total number of tickets each person purchased for a play.0, 0, 1, 1, 1, 2, 2, 2, 4, 4What is the median of the data?
A
1B
1.5C
2D
2.523
Justin packed two suitcases for his trip and compared the weights of the items he packed in each of the suitcases.Which statement is true about the box plots?
A
The data for suitcase 1 have an outlier, but the data for suitcase 2 does not.B
The data for suitcase 2 have a greater median than the data for suitcase 1.C
The data for suitcase 1 has a greater interquartile range than the data for suitcase 2.D
The data for suitcase 2 has a greater range than the data for suitcase 1.24
The table shows the estimated number of lines of code written by computer programmers per hour when x people are working.
A
y = 47(1.191)xB
y = 34(1.204)xC
y = 26.9x – 1.3D
y = 27x – 425
Which value for R in the table would most likely indicate an association between the conditional variables?
A
0.09B
0.10C
0.13D
0.79Did you find these answers helpful?
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