You are going to monitor customer satisfaction by randomly surveying 20 customers per day, which will mean 140 customers per week and 600 per 30-day month. You are going to use survey averages to judge how well a store is performing. You are happy to take the 3.3 figure as a reasonable measure of the variability (standard deviation o) of customer satisfaction rating. ● How reliable will the daily average be, as an estimate of the true underlying mean level of customer satisfaction?* How reliable will the weekly average be, as an estimate of the true underlying mean level of customer satisfaction? How reliable will the monthly on potimoto of the

The sample mean amount of savings is $

ryan has collected data on individual income (reported in dollars) and has not found any outliers. ryan wants to calculate the average income in his data. which measure of central tendency should he use? -mean -variance -mode -median

Please find the mean, median and mode of the following data set. 71 79 84 84 88 90 91 93 95 98   mean (¯xx¯) = 87.3   median = 89 mode = 84   A new number, 262, is added to the data set above. Please find the new mean, median and mode of the new data set.   mean (¯xx¯) = 103 median =  90 mode = 84   Which central tendency measure is most affected by the addition of the extreme observation? Mean

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

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.