Mathematics, 09.07.2019 19:20 niti1409
Zscores and comparisons of admiration ratings: our statistics students were asked to rate their admira- tion of hillary clinton on a scale of 1 to 7. they also were asked to rate their admiration of actor, singer, and former american idol judge jennifer lopez and their admiration of tennis player venus williams on a scale of 1 to 7. as noted earlier, the mean rating of clinton was 4.06, with a standard deviation of 1.70. the mean rating of lopez was 3.72, with a standard deviation of 1.90. the mean rating of williams was 4.58, with a standard deviation of 1.46. one of our students rated her admiration of clinton and williams at 5 and her admiration of lopez at 4. a. what is the student’s z score for her rating of clinton? b. what is the student’s z score for her rating of williams? c. what is the student’s z score for her rating of lopez? d. compared to the other statistics students in our sample, which celebrity does this student most ad- mire? (we can tell by her raw scores that she prefers clinton and williams to lopez, but when we take into account the general perception of these celebri- ties, how does this student feel about each one? ) e. how do z scores allow us to make comparisons that we cannot make with raw scores? that is, describe the benefits of standardization.
Answers: 2
Mathematics, 22.06.2019 03:20, isalybeaudion2205
Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.
Answers: 2
Mathematics, 22.06.2019 04:40, lollollollollol1
Which statement is true about the local minimum of the graphed function? 27 +0,25) over the interval [-4, -2], the local minimum is 0. over the interval (-2,-1], the local minimum is 25. over the interval (-1, 4], the local minimum is 0. over the interval [4, 7), the local minimum is -7. (-34, 139,0n 760) in modo
Answers: 1
Zscores and comparisons of admiration ratings: our statistics students were asked to rate their adm...
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