Mathematics, 13.03.2020 18:40, lackin2056
Carol asked a random sample of 10 seventh grade student athletes and 10 seventh grade students who
are not athletes how much time, in minutes, they spend studying each weeknight. She recorded her
results in the table.
a. Calculate the mean and median data values for the student athletes sample.
b. Calculate the mean and median data values for the not student athletes sample.
c. When comparing the two samples, what conclusions can you draw about which group spends more time studying each weeknight?
Answers: 1
Mathematics, 21.06.2019 15:30, mag331
Afruit stand has to decide what to charge for their produce. they need $10 for 4 apples and 4 oranges. they also need $15 for 6 apples and 6 oranges. we put this information into a system of linear equations. can we find a unique price for an apple and an orange?
Answers: 2
Mathematics, 21.06.2019 18:00, mooreadrian412
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Carol asked a random sample of 10 seventh grade student athletes and 10 seventh grade students who
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