The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a "flipped classroom. Complete parts (a) through (c) below.Traditional70.8 68.9 80.2 67.7 84.3 77.7 56.681.2 80.9 71.2 63.9 70.1 59.775.6 72.3 63.1 71.775.7 82.8 69.8 90.7 78.6 76,7Flipped77.0 90.6 79.8aw an example Get more help.CITE(a) Which course has more dispersion in exam scores using the range as the measure of dispersion?while the "flipped course has a rangeTheThe traditional course has a range of(Type integers or decimals. Do not round.)course has more dispersionClear all

Here we have to find the rang for traditional course and flipped course Range is given by : Range =…

Answered: The following data represent exam…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Suppose the mean price for used cars is $10,198. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the file named UsedCars. 12,400 10,400 12,100 10,000 11,000 8,895 7,675 9,975 6,350 10,470 9,895 11,250 8,795 12,500 9,340 10,150 9,200 9,395 11,000 10,640 10,000 7,500 8,000 10,440 10,200 10,300 9,740 9,280 10,930 8,000 9,000 7,680 9,400 10,730 7,350 12,240 11,970 8,240 9,910 10,080 9,440 8,970 9,500 10,050 10,130 11,400 8,500 7,500 9,090 10,500 (a) Formulate the hypotheses that can be used to determine whether a difference exists in the mean price for used cars at the dealership. H0: ? ≤ 10,198 Ha: ? > 10,198 H0: ? < 10,198 Ha: ? ≥ 10,198 H0: ? = 10,198 Ha: ? ≠ 10,198 H0: ? > 10,198 Ha: ? ≤ 10,198 H0: ? ≥ 10,198…
The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a "flipped" classroom. Complete parts (a) through (c) below. Traditional Flipped 71.6 68.3 79.7 68.2 80.5 72.3 63.9 81.1 64.1 73.3 70.6 90.4 76.6 71.5 76.0 81.6 86.3 79.1 56.1 70.1 60.4 78.4 92.9 78.9 77.8 75,8 *** (a) Which course has more dispersion in exam scores using the range as the measure of dispersion? The traditional course has a range of 30.2, while the "flipped" course has a range of 28.8. The traditional course has more dispersion. (Type integers or decimals. Do not round.) (b) Which course has more dispersion in exam scores using the sample standard deviation as the measure of dispersion? The range is now (Type an integer or a decimal. Do not round.) The traditional course has a standard deviation of 8.916, while the "flipped" course has a standard deviation of 7.692 The traditional course has more dispersion. (Round to three decimal places as needed.)…
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.3 9.9 9.1 9.9 8.7 9.4 10.4 9.5 8.8 9.1 9.1
The following refer to the following data set: 52.2 20.1 38.2 16.4 52.2 44.7 35.6 26.9 52.2 31.2 What is the arithmetic mean of this data set? mean = What is the median of this data set? median = What is the mode of this data set? mode =
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.9 8.6 9.8 8.6 9.3 8.7 10.3 9.4 10.5 9.8 9.8 O a. Find the mean. The mean is inch(es). (Type an integer or a decimal rounded to two decimal places as needed.) b. Find the median. The median is inch(es). (Type an integer or a decimal. Do not round.) c. Find the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode(s) is(are) inch(es). (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) O B. There is no mode. d. Find the midrange. The midrange is inch(es). (Type an teger or a decimal. Do not round.) e. Are the statistics representative of the current population of all…
The U.S. National Center for Health Statistics complies birth statistics and publishes the results in vital statistics of the United States. The Center has historically believed that the mean of all newborns in the U.S. has been no less than 6.95 pounds. A sample of babies is selected so that the center can revise its belief. The following birth weights, in pounds are recorded: 7.4, 6.0, 8.6, 4.5, 2.0, 7.9, 4.0, 2.6, 5.9, 7.3, 7.3, 7.0, 6.3, 8.1, 7.1, 7.3, 6.6, 5.2, 9.8, 8.0, 10.9, 6.5, 3.8, 5.0, 8.0 a). At 5% level of significance, do these data provide sufficient evidence to refute the Center’s belief? Your conclusion must be in terms of the P-Value as well as setting up a Rejection Region. You must show all necessary work. b). Which statistical distribution should be applied in this situation and why? Explain carefully.
Some Woodside customers were asked the age of their houses. The table summarizes the results. Age of Home Number of Midpoint (years) Customers 0-8 17 9-17 10 18 26 27 35 4. What are the mean and median of the age of houses? O mean 14 and median 13 O mean 12 and median 22 O mean 13 and median 13 O mean 12 and median 13
The following data represent exam scores in a statistics class taught using traditional lecture and a class taught using a "flipped" classroom. Complete parts (a) through (c) below. Traditional 69.9 69.6 78.7 67,6 84.7 78.5 56.3 80.2 81.9 71.0 64.4 70.2 59.0 Flipped 77.5 72.5 62.7 72.6 76.9 90.4 79.6 77.4 81.9 70.5 91.3 77.8 75.7 (a) Which course has more dispersion in exam scores using the range as the measure of dispersion? The traditional course has a range of 28.4 , while the "flipped" course has a range of 28.6. The flipped course has more dispersion. (Type integers or decimals. Do not round.) (b) Which course has more dispersion in exam scores using the sample standard deviation as the measure of dispersion? The traditional course has a standard deviation of, while the "flipped" course has a standard deviation of The V course has more dispersion. (Round to three decimal places as needed.)
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are foot lengths in inches of randomly selected women in a study of a country's military in 1988. Are the statistics representative of the current population of all women in that country's military? 9.7 8.9 9.2 8.9 9.8 9.9 10.3 8.6 10.5 9.2 9.2 D

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