Use the chart below to answer questions 1-6 about the ACT's. The ACT is a standardized test used by college admissions offices as a factor in whether an applicant is or is not admitted to their college. Since so many students take this test each year, the distribution of results are typically approximately normal. The table below shows the mean and standard deviation for each section of within the ACT for all test takers in the years 2015, 2016, and 2017. Standard Section Mean Deviation English 20.3 6.8 Math 20.7 5.4 Reading 21.4 6.5 Science 20.9 5.5 STEM 21.0 5.2

Find the​ range, mean, and standard deviation of the following data set.   ​{11​, 12​, 13​, 14​, 15​, 16​, 17​, 18​, 19​, 20​}       Question content area bottom Part 1 The range is enter your response here. ​(Type a whole​ number.)

QUESTION 3 What percent of scores are below an SAT score of 560?

The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 20, 23, 15, 15, 18, 22, 17, 14, 15

Using​ PivotTables, find the mean and standard deviation of sales by region in the data provided.   LOADING... Click the icon to view the data.         Question content area bottom Part 1 Complete the table below. ​(Type integers or decimals rounded to two decimal places as​ needed.)   Average of Amount StdDev of Amount East enter your response here enter your response here North enter your response here enter your response here South enter your response here enter your response here West enter your response here enter your response here Grand Total enter your response here enter your response here

QUESTION 7 Given an x-mean3D3.4, SSx-97.3, y-mean33.9, SSy-45.2, Sxy-55.5, and a sample size of 45, calculate the following: X Sample Standard Deviation and Y Sample Standard Deviation X Population Standard Deviation and Y Population Standard Deviation Sample Covariance and Population Covariance Sample Correlation and Population Correlation

Consider the following data of 10 exams scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, 85 1. The the mean, median, and mode       2. find the standard deviation without a graphing calculator. Show all your computations

Calculation of a mean is most appropriate for which of the following sets of data?   Attitudes of graduate nurses toward the elderly measured by axillary temperature Ranking of nursing students by clinical instructors according to perceived technical ability. Percent of nurses in each specialty area.

State, with an explanation, whether the mean, median, or mode gives the best description of the following average. The average diameter of potatoes in a 10-pound bag Which measurement gives the best description of the given average? The v is the best because the distribution

QUESTION 2 What percent of scores are above an ACT score of 19?