Related questions
Concept explainers
Using Excel, using the procedures and formulas for ANOVA to check if the Population Means for flying time before major maintenance is required are the same for the three types of aircraft.
To help you, Sample Means and Sample Variances have been calculated below for you:
Airbus Boeing737 Boeing 787
6.4 8.7 9.9
7.8 7.4 12.8
5.3 9.4 12.1
7.4 10.1 10.8
8.4 9.2 11.3
7.3 9.8 11.5
__________________________________________________________________
Sample
Sample Variance 1.21 .93 1.02
Show the final Excel output, please.
Step by stepSolved in 3 steps with 2 images
- Identify an important reason for grouping data.arrow_forwardA population of grades for a statistics class of six students is given below: 71,63,68,80,85,82 Find the variance for this population. Population Variance =arrow_forwardWhat is the estimated standard error of the mean based on these sample data? Y -2 1 3 2 -1 0 4 6arrow_forward
- Explain the meaning of the specified term. Sample dataarrow_forwardThink about doing an Independent-Measures ANOVA, Step 3. If the data are as follows, find the SS-between. GROUP 1 GROUP 2 GROUP 3 1 3 5 3 2 7 2 4 6 A) SS-between = 26.00 B) SS-between = 42.00 C) SS-between = 6.00 D) SS-between = 13.00arrow_forwardOnly answer part C, use Part B and the chart if needed.arrow_forward
- You developed a way to measure anger people. Test the claim that the mean score of anger for younger people is equal to the mean score for older people. Use a significance level of .06. The scores are listed below. Scores for younger people: 25, 33, 19, 8, 39, 29, 28, 18, 41, 3, 27, 35, 14, 25, 36, 4, 11 Scores for older people: 38, 35, 21, 5, 19, 22, 35, 33, 54, 3, 55, 9, 15, 22, 47, 4, 21arrow_forwardPlease 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? Meanarrow_forwardDescribe the approximate shape of the histogram on NCAA coach pay. Then state whether the mean or median is higher. Give an approximation for both. Do you suspect any outliers?PART 3:arrow_forward
- A survey was developed to estimate the average number of hours per week that adults spend exercising. Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed. The data showed that the mean number of hours spent exercising was 3.2 hours per week. Which characteristic of the survey could create a bias in the results? The size of the sample The size of the sample The method of analyzing the data The method of analyzing the data The method of choosing the people who were surveyed The method of choosing the people who were surveyed The size of the populationarrow_forwardhelp please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all workingarrow_forwardQuestion: You don't have to re-calculate anything. Explain why the mean and median would go up and the mode would stay the same?arrow_forward
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
Probability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage Learning
Statistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning 
Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSON
The Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. Freeman
Introduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman