Five Number Summary for Armspan Use the computer output given below showing descripting statistics for armspan, in cm, for a sample of high school seniors in the PASeniors dataset. Descriptive Statistics: Armspan Variable Armspan 415 Minimum Q1 N* Mean StDev 42 170.76 13.46 Median Q3 Maximum 119 162 171 180 210 (a) What is the five number summary? i i i (b) Give the range and the IQR. Range: IQR: i (c) Use the five number summary to give the smallest interval that we know contains the 30th percentile. The 80th percentile. The 30th percentile is between i and i The 80th percentile is between i and i

A sample of the lifetime of an electrical component is given bellow, in number of hours: 123, 116, 122, 110, 210, 126, 125, 111, 118, 117 Calculate the sample mean and sample median for these lifetimes. Sample Mean 127.8 Sample Median 120 Can you explain why these two measures of location are so different? Submit Question

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

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

Scores in the first and final rounds for a sample of 20 golfers who competed in tournaments are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions. Due to a recent change by Microsoft you will need to open the XLMiner Analysis ToolPak add-in manually from the home ribbon. Screenshot of ToolPak X Open spreadsheet Suppose you would like to determine if the mean score for the first round of an event is significantly different than the mean score for the final round. Does the pressure of playing in the final round cause scores to go up? Or does the increased player concentration cause scores to come down? a. Use a = .10 to test for a statistically significantly difference between the population means for first- and final-round scores. What is the p-value? p-value is What is your conclusion? There is no Final round (to 4 decimals) b. What is the point estimate of the difference between the two population means? (to 2 decimals) For which round…

8235#/full Pork... EmblemHealth Fin... ACCESS HRA - ACC... Account Link - ACC.. The mean score on this test is: 6.06 The median score on this test is: 6 Add Work Question 2 Find the five-number summary for the following data set. 87 84 89 88 89 81 82 89 88 84 Min Q1 Median Q3 Max 81 82 887.5 88 89 Add Work Question 3 The boxplots below shows salaries for Construction workers and Teachers Construction Teacher

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.

Frequency distribution please help

The histogram below shows the ages (in years) of Honda Civic automobiles listed for sale on the Seattle Times Web site on November 26, 2003. 20 15 10 2 4 6 8 10 12 14 16 18 Age (years) Which of the following terms apply to this histogram? (Select all that apply.) O negatively skewed(to the left) O uniform O symmetric O bimodal O unimodal O positively skewed(to the right) Which measure of center is most appropriate for this data? O median O mean Which measure of spread is most appropriate for this data? O standard deviation M # of cars