Sheena obtains cash from an ATM machine. She suspects that the rate atwhich she spends the cash is affected by the amount of cash she withdrewat her previous visit to an ATM. To investigate this she deliberately variesthe amount she withdraws. She records for her each visit to an ATM, theamount "x"(in $) withdrawn and the number of hours "y" until her nextvisit to an ATM.Withdrawal 1 2 3 4 5 6Xy7891040 10 100 110 120 150 2090 80 13056 62 195 33094 27048 196214286Discuss in detail the step-wise procedure and determine Karl Pearson'scoefficient of correlation.

We have given that, X :- 40, 10, 100, 110, 120, 150, 20, 90, 80, 130 Y:- 56, 62, 195, 330, 94, 270,…

Answered: Sheena obtains cash from an ATM…

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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In 14 weeks, the value of Bob Treatman's day trading account decreased by $588. What was the average weekly change in the value of the account? .... A. $40 per week O B. - $44 per week O C. - $42 per week O D. - $48 per week
QUESTION 9 Subtract 6.993 from 8.3.
-ons Help Last edit was seconds ago Arial 9. BIU A + + ... 4. JOYFUL Fashion Company is reviewing the monthly sales in year 2021.The monthly sales (in millions) of each month were as below: Jan: $2.2 Feb: $2.5 Mar: $2.0 Apr: $2.8 May: $1.9 Jun: $0.9 Jul: $3.4 Aug: $3.7 Sep: $2.1 Oct: $2.5 Nov: $2.3 Dec: $4.6 (a) Find the mean, mode, standard deviation, and range of the above data. (b) Comment on the skewness of the above data. Explain your answer with the comparison of quartiles. The JOYFUL Fashion Company will issue a Gold Membership to customers with accumulated spending in January 2022 over 1% of 2021's average monthly sales and a Platinum Membership to customers with accumulated spending in January 2022 over 1% of the 80m percentile of 2021's monthly sales. (c) Mrs. Robinson has spent $27,450 in January 2022. Will she be qualified for the Gold Membership? Will she be qualified for the Platinum Membership? Explain your answers. (d) It is known that the average monthly sales from Jul…
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A small metal bar, whose initial temperature was 15° C, is dropped into a large container of bowling water. How long will it take the bar to reach 60°C if it is known that its temperature increase to 22°C in 1 second? O 9 seconds O 10 seconds O 5 seconds O 7 seconds
Lotus Yoga Products has 10 operators, and the company works 8 hours a day (8 am to 5 pm with an hour break), 5 days a week. Company is manufacturing yoga pants and the standard minute value for a line to finish one pant=20 minutes. Company produces 178 pairs of pants a day. Calculate the output, in-put and productivity (first two answers in minutes and third as a percentage). What is the number of days to finish the order for 2500 pants (round to whole number) = Required capacity needed in hours /actual capacity per day in hours
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Fire departments in your county have an average benchmark of 6 minutes on a fire call from the time the 911 operator takes the call to the time the first firefighter arrives on the scene. This 6-minute average includes a 1-minute call handling time from when 911 gets the call to when they notify the fire department. There is a 1-minute time from when the firefighters are notified to when they get out of the fire station. Then they have 4 minutes from when they leave the station to when they arrive on scene. Two fire departments in your county are being compared. From one fire department, a random sample of 10 calls has a mean of 6.51 minutes total with a standard deviation of 0.26 minutes. From the other fire department, a random sample of 11 calls shows a mean of 6.42 minutes with a standard deviation of 0.19. Construct a 90% confidence interval for the difference in the mean call time between the two fire departments. Fire departments in your county have an average benchmark of 6…
The question was asking for the number of customers to break even.
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