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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To persuade his parents to contribute to his new car fund, Carmine has spent the last week surveying the ages of 2,000 cars on campus. His findings are reflected in the following frequency table. Age of Car (years) x = Number of Cars 0 1 2 3 4 140 350 450 650 200 5 120 6 7 8 50 15 5 9 10 15 5 Carmine's jalopy is 7 years old. He would like to make the following claim to his parents: "x percent of students have cars newer than mine." Use a relative frequency distribution to find x. %
d, e
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
[3] Situation: In a known hardware store in Pampanga, the manager is interested to know how much on average, their customers spend each visit in the store. Using their records, a 1000 visits were drawn and the customer’s average spending were calculated. From the computation, the mean amount spent of the customers per visit in the store was computed at P3,034.35. This is an example of a: a. Population b. Sample c. Parameter d. Statistic e. Variable
William Profit is studying companies going public for the first time. He isparticularly interested in the relationship between the size of the offering and theprice per share. A sample of 15 companies that recently went public revealed the following information: y x 10.8 9 11.3 94.4 11.2 27.3 11.1 179.2 11.1 71.9 11.2 97.9 11 93.5 10.7 70 11.3 160.7 10.6 96.5 10.5 83 10.3 23.5 10.7 58.7 11 93.8 10.8 34.4
Milanstat
For the first two weeks of the month of January 2022, the daily average of calls for roadside assistance from motorcycle drivers was kept track of. These were the outcomes: Find the Mode: Construct a frequency graph:
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
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 %
Compute this measure of central tendency and explain what this means in everyday language. The frequency table is given as: X Frequency proportion percent 0 7 0.35 35% 1 4 0.20 20% 2 3 0.15 15% 3 2 0.10 10% 5 1 0.05 5% 7 1 0.05 5% 8 1 0.05 5% 9 1 0.05 5% Total 20 1 100%

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