The college Physical Education Department offered an Advanced First Aid course last quarter. The scores on the final exam were normally distributed, and the z-scores for some of the students are shown below: Sue: - 1.30 Bill: - 0.92 Mary: 0.00 Mark: 2.65 Ben: 2.04 Sam: - 1.59 Which of these students, if any, scored above the mean? Which of these students, if any, scored below the mean? Which of these students, if any, scored at the mean? If the mean score was u = 175 with a standard deviation of o = 17, what was the final exam score for Mark?

Maria D to peop. vns and manages a small business in San Francisco, California. The business provides breakfast and brunch food, via carts parked along sidewalks, he business district of the city. Being an experienced businessperson, Maria provides incentives for the four salespeople operating the food carts. This year, she plans to offer monetary bonuses to her salespeople based on their individual mean daily sales. Below is a chart giving a summary of the information that Maria has to work with. (In the chart, a "sample" is a collection of daily sales figures, in dollars, from this past year for a particular salesperson.) Sample Sample Sample size Groups mean variance Salesperson 1 108 209.6 2334.6 Salesperson 2 62 206.2 2597.4 Salesperson 3 116 220.0 1913.2 Salesperson 4 120 225.4 2540.4 Send data to calculator Send data to Excel Maria's first step is to decide if there are any significant differences in the mean daily sales of her salespeople. (If there are no significant…

A student’s test grades are: 85, 75, 100, 90, and 90. On the two questions below, round to the nearest whole number when relevant. Show calculations and clearly report answers to each of the two questions below. a. What is the mean, or average, test grade for this student? b. What is the median test grade?

The PRC wants to assess the difference in ratings of five different engineering board examinations. They selected the top 5 on each group. The data are provided below. Use a = 0.01 to determine if there are any differences between the ratings of the five examinations. AE СЕ ЕСЕ EE ME 93 95 90 91 94 90 92 86 91 91 90 90 84 90 88 88 89 84 89 88 85 87 84 88 87 What is the value of SS Within?

Winston has just gone grocery shopping. The mean cost for each item in his bag was $3.48. He bought a total of 9 items, and the prices of 8 of those items are listed below: $2.75,$4.06,$3.16,$3.92,$4.29,$2.77,$3.01,$4.57 Determine the price of the 9th item in his bag.

What is the mean for the following scores: 2, 5, 4, 1, 8? A. 3 B. 4 C. 5 D. 20

In planing for his children to go back to school Susan buys several items at a discount. Five items at $1.29 each, three at $1.49 each, six at $1.79 each and nine at $0.99 each. What was the median cost of all items? $1.48 Oa. Ob. O b. $1.99 c. Oc. $1.33 O d. $1.39 $1.29 O e.

Find the mean, median, and mode of the quiz scores summarized below:Score Frequency   7       4   8       6   9       7   10     11