An instructor grades as follows: unit exams 20%, project 30%, and final exam 50%. A student had grades of 85, 81, and 89 (respectively) for unit exams, project, and final exam. Find the student's final course average using a weighted mean. Round to the nearest whole percentage point.

calculate the 30th percentile of the data shown, 3.4,3.9,7,11.7,14,20.3,26.2,27.8,28.9

Find the percentile for the data point. Data set: 51 33 41 72 74 75 32;data point 51

Below are the summary statistics calculated from the heights of students on a university campus. 25% percent of the students were ________ inches or taller. Median: 68 inches Minimum: 50 inches Q1: 58 inches Q3: 71 inches A. 71 B. 68 C. 58 D. Cannot be determined

Given the data set: 6, 19, 17, 23, 20, 10. Determine (i). the percentile rank for each test score,

Find the mean for the list of numbers. Ages of patients (in years ) in a clinic: 15, 4, 22, 15 Round answer to the nearest whole number if necessary.

Find the test statistic for a proportion "p" given the following information. Malloree ordered 15 pair of shoes online during the stay-at-home order, and 2 pairs arrived with mismatched sizes. Looking on line, she found that the retailer claimed that this happened 4% of the time with online orders. Enter your answer rounded to the thousandths place.

Use the following data and formula to find the percentile for 30.   18, 22, 25, 30, 45, 47, 52, 58, 62, 64, 67, 71, 75

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.

Find the z score for the 55th percentile.