Mathematics, 21.09.2020 02:01 jonathanvega424
In independent random samples of 10 men and 10 women, the numbers of minutes spent working out are given by the back-to-back stemplots below: Row 1 contents are Men; bar; blank; bar; Women. Row 2 contents are 1; bar; 1; bar; 3, 5. Row 3 contents are blank; bar; 2; bar; 4. Row 4 contents are blank; bar; 3; bar; 2, 3, 6,7. Row 5 contents are blank; bar; 4; bar; blank. Row 6 contents are 6, 7; bar; 5; bar; 0, 3. Row 7 contents are 8; bar; 6; bar; blank. Row 8 contents are 5; bar; 7; bar; blank. Row 9 contents are 6, 1; bar; 8; bar; blank. Row 10 contents are 7, 5, 4; bar; 9; bar; 5. Part A: Describe the shape of each data set. (3 points) Part B: Coraline analyzed the data and stated that the better measure of center for the women is the median. Is Coraline correct? Explain your reasoning. (3 points) Part C: Coraline decided there are no outliers in the women's data set. Is she correct? Justify your answer mathematically.
Answers: 2
Mathematics, 21.06.2019 16:00, nathanb29oue8gj
Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?
Answers: 2
Mathematics, 21.06.2019 19:30, cykopath
Me max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.
Answers: 2
In independent random samples of 10 men and 10 women, the numbers of minutes spent working out are g...
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