Flu season: Suppose the following tables present the number of specimens that tested positive for Type A and Type B influenza in a country during a fluseason.Type A3798 185 203257380 604 1042 1585 28713769 4823 5158 5480 5809Send data to ExcelPart: 0 / 3(a) Find the mean and median number of Type A cases. Round the answers to at least one decimal place.(b) Find the mean and median number of Type B cases. Round the answers to at least one decimal place.(c) A public health official says that there are more than twice as many cases of Type A influenza than Type B. Do these data support this claim?Part 1 of 3Part: 1/3The mean number of Type A cases was 20 and the median number was 40Part 2 of 3Type B99 119 136 155363 484 704271847 1072 1200 1105 1186Part: 2/356229The mean number of Type B cases was 15 and the median number was 20Part 3 of 3These data do supportthe claim that there are more than twice as many cases of Type A influenza than Type B.XG

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Answered: Flu season: Suppose the following…

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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South Dakota prices vary $350,000: $400,000:$400,000:$425,000:$429,000: $440,000: $560,000: $585,000,: $585,000: $785,000 : $1,300,000. We found the following Mean = 569000 SD = 272703.1353 T score = .7113 P Value = .4932 CI: 385795.5409,752204.4591 If you had a margin of error of $13,000 how large of sample would you need with a 90% confidence interval using the given tscore.
The following data that belongs to a population: 4 -5 2 0 -10 14 12 8 Calculate the mean, median and mode. Round your answer to two decimal places if it is necessary Mean= Median= Mode=
Adjusted Gross Incomes. The Internal Revenue Service (IRS) publishes data on adjusted gross incomes in the document Statistics of Income, Individual Income Tax Returns. The following relative-frequency histogram shows one year’s individual income tax returns for adjusted gross incomes of less than $50,000.
Example 6. Draw a histogram for the following data on the size of families : No. of children : No. of families : 171 1 2 3 4 5 6 50 25 13 7 2
Over the first five years of owning her car, Gina drove about 12,700 miles the first year, 15,478 miles the second year, 12,675 the third year, 11,850 the fourth year, and 13,075 the fifth year. a. Find the mean, median, and mode of this data. b. Explain which measure of central tendency will best predict how many miles Gina will drive in the sixth year. a. mean= 12,700; median= 13,156; no mode; the mean is the best choice because it is representative of the entire data set. b. mean= 13,156; median= 12,700; mode= 3,628; the median is the best choice because it is not skewed by the high outlier. c. mean= 13,156; median= 12,700; no mode; the mean is the best choice because it is representative of the entire data set. d. mean= 13,156; median= 12,700; no mode; the median is the best choice because it is not skewed by the high outlier.
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
Refer back to the histogram from question #4. Compute the mean number of shipping days Compute the median number of shipping days Write the 5-number summary for this data. Create box plot.
The data set shown below contains the number of hurricanes that occurred each year over a 14-year period. Some scientists claim that there has been an increase in the number of hurricanes as the years progressed. Complete parts (a) through (d). Year 10 11 12 13 140 # 3 4. 2 1 a) Create a histogram of these data. Choose the correct histogram below. OA. OB. Oc. OD. # of Hurricanes # of Hurricanes # of Hurricanes # of Hurricanes b) Describe the distribution. Is the distribution uniform, unimodal, or bimodal? O A. The distribution is uniform. O B. The distribution is bimodal. O C. The distribution is unimodal. Is the distribution symmetric or skewed?
The highway speeds of 100 cars are summarized in the frequency distribution below. Find the estimated mean speed. Speed (mph) 30-39 40-49 50-59 60-69 70-79 Cars 3. 16 50 18 13 O A. 59.5 mph O B. 62.4 mph O C. 22.8 mph O D. 56.7 mph
A marketing firm is doing research for an Internet-based company. It wants to appeal to the age group of people who spend the most money online. The company wants to know if there is a difference in the mean amount of money people spend per month on Internet purchases depending on their age bracket. The marketing firm looked at two age groups, 1818-2424 years and 2525-3030 years, and collected the data shown in the following table. Let Population 1 be the amount of money spent per month on Internet purchases by people in the 1818-2424 age bracket and Population 2 be the amount of money spent per month on Internet purchases by people in the 2525-3030 age bracket. Assume that the population variances are not the same. Internet Spending per Month 1818-2424 Years 2525-3030 Years Mean Amount Spent 62.4962.49 62.8462.84 Standard Deviation 20.0420.04 15.6415.64 Sample Size 1616 2828 Step 1 of 2 : Construct a 95%95% confidence interval for the true difference…
The cost per load (in cents) of 35 laundry detergents tested by Consumer Reports is shown here. Frequency Class 13-19 20-26 27-33 34-40 41-47 48-54 55-61 62-68 623543 8 4 Find the mean of the data set. If necessary, round to the nearest whole number.

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