Please answer each question. 8) A nume erical summary of a population is A) Qual
ID: 2906963 • Letter: P
Question
Please answer each question. 8) A nume erical summary of a population is A) Qualitative response C) Parameter B) Variable D) Statistic 9) In distributions that are skewed to the left, what is the relationship of the mean, median, and 9 t mode? A) mode median > mean D) mean > median > mode 10) Which measure A) Mean f central tendency may not exist for all numeric data sets? B) Midrange C) Median D) Mode 11) Many firms use on-the-job training to teach their employees new software.Suppose you work 11) in the personnel department of a firm that just finished training a group of its employees in ional the trainees new software, and you have been requested to review the performance of one of on the final test that was given to all trainees. The mean of the test scores is 76. Addit nformation indicated that the median of the test scores was 84. What type of distribu likely describes the shape of the test scores? A) symmetric he with the information given C) skewed to the left D) skewed to the right 12) Health care issues are receiving much attention in both academic and political arenas. A is too sociologist recently conducted a survey of citizens over 60 years of age whose net worth high to qualify for government health care but who have no private health insurance. The ages of 25 uninsured senior citizens were as follows 68 73 66 76 86 74 61 89 65 90 69 92 76 62 81 63 68 81 70 73 60 87 75 64 82 Find Qi of the data. D) 665 A) 65.5 B) 81.5 13) The of a variable is computed by determining the sum of all the values of the Set. 13) variable in the data set and dividing this sum by the number of ol servations in the data set. A) Arithmetic mean C) Mode B) Geometric mean D) Median 14) 14) The repair costs for five cars which were crashed by a safety testing organization were as follows: $100, $120, $180, $220, and $130. Find the mean cost of repair. D) $150 C) $140 B) $160 A) $170Explanation / Answer
8.C. Parameter
9.B. Mode>median>mean
10.A. Mean
11.C. Skewed to left
12.A. 65.5
13.A. Arithmetic mean
14.D. 150