Using the following sample numbers below, answer the following:1251181251281241261241191231231201301201261271191171181211231201241161191211201151201211201. Draw a histogram for the sample numbers below2. What is the sample size?3. What is the sample mean?4. What is the sample standard deviation?5. Compute for the 95% confidence interval6. Explain the meaning of the interval in number 5.7. Suppose that a 90% confidence interval is required compute the new interval, and compare it with number 5.

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Answered: Using the following sample numbers…

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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AS2. NO1. DATA ANALYSIS
The mean price for used cars is $10,145 . 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 table below. 11,359 10,829 10,380 11,454 13,176 8,397 12,559 6,594 11,558 12,653 10,750 6,319 12,018 11,176 11,644 8,221 12,408 11,007 10,063 8,583 12,736 8,142 12,681 6,435 6,297 6,906 11,064 12,476 12,103 6,240 6,668 7,427 13,041 11,237 7,131 10,306 8,228 10,245 7,683 9,775 11,166 6,524 6,487 8,317 11,815 9,836 10,249 11,173 7,156 8,307 b. What is the p-value? Enter negative value if your answer is negative. t-value (to 3 decimals)
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…
Here is a set of sample data. 43 75 64 40 50 11 91 99 44 82 39 25 35 86 60 2 27 83 45 65 1 93 88 10 Base on the data above, identify the 5 number summary
Here is a set of sample data. 83 89 32 94 18 38 74 30 79 21 84 99 88 25 72 46 93 49 5 7 28 82 52 47 19 85 58 22 Base on the data above, identify the 5 number summary , , , ,
Find the sample mean for the following data set 82,52,59,41,59,53,69,30
Calculate the sample mean, median and mode for the above sample values.
Consider the following sets of sample data: A: $2.48 , $1.02 , $1.82 , $2.24 , $2.43 , $2.63 , $1.81 , $2.18 , $1.58 , $1.73 , $1.37 , $1.18 , $1.53 , $1.06 B: 97 , 134 , 139 , 126 , 120 , 143 , 141 , 142 , 113 , 99 , 129 Step 1 of 2: For each of the above sets of sample data, calculate the coefficient of variation, CV. Round to one decimal place. what is the cv for data set a and b
A sample of prices for memory cards is given below: 244 194 172 184 288 210 244 234 Find the mode and the mean for this sample. If there is not mode, enter "NONE". Sample Mode Sample Mean
Help. a. About what percent of women in North Arerica are between 58 and 68.5 inches tall? b. About what percent of women in North America are less than 65 inches tall? c. In what range do the middle 99.7% of women's height lie? d. About what percent of women in North America are at least 61.5 inches tal?
Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given question. Listed below are the jersey numbers of 11 players randomly selected from the roster of a championship sports team. What do the results tell us? 15 26 89 80 37 83 73 72 32 78 70 D a. Find the mean. The mean is 59.5. (Type an integer or a decimal rounded to one decimal place as needed.) b. Find the median. The median is 72. (Type an integer or a decimal rounded to one decimal place as needed.) c. Find the mode. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The mode(s) is (are) (Type an integer or a decimal. Do not round. Use a comma to separate answers as needed.) B. There is no mode. d. Find the midrange. The midrange is 52. (Type an integer or a decimal rounded to one decimal place as needed.) e. What do the results tell us? OA. The midrange gives the average (or typical) jersey number, while the mean and median give two…
7 Answer: Calculate the median of the following sample data: 8 10 7 14 53 22 5 5 5 22 Answer: O E ho

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Using the following sample numbers below, answer the following: 125 118 125 128 124 126 124 119 123 123 120 130 120 127 120 126 119 117 118 121 123 124 116 119 121 120 115 120 121 120 1. Draw a histogram for the sample numbers below 2. What is the sample size? 3. What is the sample mean?