Test the claim that the observed frequencies match theexpected frequencies.In a business you saw the following amount of profits per day:Sun Mon Tue Wed Thurs FriSat1256 953 1588 1703 1560 1415 2123You expected the following distribution just by other similarbusinesses:SunThurs FriSatMon Tue Wed1300 1000 1500 1800 1500 1300 2200Claim: the frequencies match the expectedHo:the frequencies don't match the expectedHA:the frequencies don't match the expectedTest statistic: 39.25P value: 0We Fail to reject Ho HoThe data fails to support the claim

The correct Null and alternative hypotheses:- Ho: the frequencies match the expected Ha: the…

Answered: Test the claim that the observed…

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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Consider the following frequency table representing the distribution of cost of lunch (in dollars). Step 2 of 2: Determine the cumulative frequency for the fourth class. Answer Cost of Lunch (in Dollars) Class 6.1-6.9 7.0-7.8 7.9-8.7 8.8-9.6 9.7-10.5 Frequency 10 15 3 3 14
D1)
Back up your data: In a survey backed up their computer's hard drive. The following frequency distribution presents the results. mmissioned by an electronics company, U.S. computer users wereasked how often they Response More than once per month Frequency 844 Once every 1-3 months 521 Once every 4-6 months 229 Once every 7-11 months Once per year or less Never
Milanstat
Here is civilian unemployment cate 1982-1995 Civilian Unemployment Cate 1982-1995 year 1982 1986 1988 1990 1992 । ११५ Rode 9.7 7.0 5.4 5.5 7.4 6.1 yeRr 1984 1987 198% 1991 1993 1995 Rode 7.5 6.2 5.3 6.7 6.8 5.6 Make deta. dime plot o the
For the following question, look at the table below that shows the frequency of ages in a sample: Cumulative Age in Years Frequency Percent Percent 18 5 5% 5% 20 15 15% 20% 21 13 13% 33% 22 10 10% 43% 25 25 25% 68% 28 11 11% 79% 30 12 12% 91% 32 5% 96% 35 4 4% 100% What percent of the sample is 30 years old or younger? 12% 68% 91% 11 participants
At Center Hospital there is some concern about the high turnover of nurses. A survey was done to determine how long (in months) nurses had been in their current positions. The responses (in months) of 20 nurses were 23 5 14 25 36 27 42 12 8 7 15 29 26 28 11 20 31 8 36 Find the interquartile range. O 37.5 O 19.0 O 22.5 O 38.0 19.5
The mean defined in the text is sometimes called the arithmetic mean to distinguish it from other possible means. For example, a different mean, called the geometric mean (G.M.), is used in business and economics for finding average rates of change, average rat growth, or average ratios. This mean is defined to be the nth root of the product of the numbers. For example, the geometric mean of 4, 5, and 6 is G.M. = (4 · 5 · 6)/3 V120 z 4.9. (a) Find the arithmetic and geometric means for the numbers 2, 4, 6, 7, 7, 8, and 10. (Round your answers to one decimal place.) arithmetic mean geometric mean (b) The growth rates for three cities are 1.5%, 2.1%, and 0.9%. Compare the arithmetic and geometric means. (Round your answers to two decimal places.) arithmetic mean % geometric mean %
The following table shows a data set containing information for 25 of the shadow stocks tracked by the American Association of Individual Investors. Shadow stocks are common stocks of smaller companies that are not closely followed by Wall Street analysts. 1. Show the frequency distribution for the Gross Profit Margin using he five intervals: 0 – 14.9, 15 – 29.9, 30 – 44.9, 45 – 59.9, and 60 – 74.9. Construct a histogram similar to Figure 1.5 (in the textbook). 2. What is the average price/earnings ratio? DATA SET FOR 25 SHADOW STOCKS Company Exchange Ticker Symbol Market Cap ($ millions) Price/ Earnings Ratio Gross Profit Margin (%) DeWolfe Companies AMEX DWL 36.4 8.4 36.7 North Coast Energy OTC NCEB 52.5 6.2 59.3 Hansen Natural Corp. OTC HANS 41.1 14.6 44.8 MarineMax, Inc. NYSE HZO 111.5 7.2 23.8 Nanometrics Inc. OTC NANO 228.6 38.0 53.3 Team Staff, Inc. OTC TSTF 92.1 33.5 4.1…

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