Туре of CarObservationsSubcompact5 37 63 21 6Compact134751Midsize413714Full size3 5 75 10 34 7 2 7(a) Is there evidence to support a claim that the type of carrented affects the length of the rental contract? Use a= 0.05. If so, which types of cars are responsible forthe difference?(b) Analyze the residuals from this experiment and com-ment on model adequacy.(c) Notice that the response variable in this experiment isa count. Should this cause any potential concernsabout the validity of the analysis of variance?6776.3.

We have given types of cars(subcompact, compact, mid size and full size) and observations of those…

Answered: Туре of Car Öbservations Subcompact 3 5…

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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6. An economist studies the relationship betweenthe price (x) and weekly demand (y) of a certainproduct. Assume the SLR model utility test findsevidence of a linear relationship between priceand demand. Find the appropriate intervalestimate for the mean demand for all weekswhen the price is $31. We know: n = 5 , X-bar = 30,sx2 = 10 , MSE = 12.1 , and Y-hat = 181 − 2.7x.
=48 New Bank (NB) believes that there is a relationship between the kilometres (KM) travelled by its customers and the charges on their credit cards (CC). The bank collected the data given in Table NB Table NB Dollars (US$'00) 18 Kilometres ('00) 12 24 13 20 14 25 17 23 18 23 20 30 21 34 22 31 24 37 24 If a credit card holder should spend US$2.300 on a business trip, how many kilometres would you expect her to travel (to the nearest whole number)? Select one: O a 3,483 O b 1.583 OC. 950 od. 850 11:10 AM 85°F a Q) ENG 12/16/2021 hp EliteBook 8470p Ftay postitve insert pause break scroll 16 D f7 f8 f9 O f10 3 f11 f12 prt sc wm
z score z score for each for each value of value of Zzły х х -0.278 0.536 -0.149 -0.089 0.696 -0.062 -1.253 -1 -1.652 2.070 -0.714 -0.928 0.663 2.461 1.473 1.671 0.536 0.371 0.199 -0.089 4 -0.278 0.025 Σ: ỹ = 3.857 S, = 3.078 = 5.207 T= 4.286 s, = 3.200
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A popular theory is that presidential candidates have an advantage if they are taller than their main opponents. Listed are heights (in centimeters) of randomly selected presidents along with the heights of their main opponents. Complete parts (a) and (b) below. Height (cm) of President 185 170 179 191 194 179 9 Height (cm) of Main Opponent 170 184 174 166 194 182 Identify the test statistic. t= 0.57 (Round to two decimal places as needed.) Identify the P-value P-value = 0.286 (Round to three decimal places as needed.) What is the conclusion based on the hypothesis test? Since the P-value is greater than the significance level, fail to reject the null hypothesis. There is not sufficient evidence to support the claim that presidents tend to be taller than their opponents. b. Construct the confidence interval that could be used for the hypothesis test described in part (a). What feature of the confidence interval leads to the same conclusion reached in part (a)? The confidence interval…
this is not worth marks our professor gave us a practice final exam which was just his one from last year and I'm very confused about how to do this one pls help!! :(
Access the significsnce of each of the variables in the attached table. For age, write out all of the steps for hypothesis testing. For the other variables, report a p-value and conclusion. Write out the interpretation of the hazards ratios for age and sex in words. What is the estimated hazard ratio for a 10-year increase in age?
I need help with part b please
In order to estimate the difference between the yearly incomes of marketing managers in the East and West of the United States, the following information was gathered: East West n1= 40 I1=72 (in $1000s) 2= 78 (in $1000s) 51 =6 (in $1000s) n2= 45 s2 = 8 (in $1000s) Develop an interval estimate for the difference between the average yearly incomes of the marketing managers in the East and West. Use a = .05. At 95% confidence, use the p-value approach and test to determine if the average a. b. yearly income of marketing managers in the East is significantly different from the West
For the following situations, identify the type of variable (qualitative, nominal, ordinal, quantitative, discrete, continuous, interval, ratio), multiple types may apply. 1) Data of weight gain of rats fed only junk food for four weeks in an experiment. 2) Data collected from the order that students finsih their exam. 3) Time it takes for a car battery to die
Use linear approximation to estimate the value of 28 /28 5.15 5.2 5.25 5.3
DETAILS BRECMBC9 9.1.TB.016. ASK YOUR TEACHER Workers who manufacture belts are sometimes pald based on the number of belts they produce. Compute Ada's gross pay if she made 744 belts. The rate per belt is given by the differential plecework schedule below. Pay Level Items Produced Rate per Item 1 1-240 $3.20 Over 240 $4.13 O $2,604.00 O $2,849.52 O $3,372.00 O $3,840.72 21. DETAILS BRECMBC9 9.II.TB.005. ASK YOUR TEACHER Mary earned $45,258.75 for the past calendar year. How much did she pay for the year in social security and Medicare taxes? (Social Security Tax is 6.2% of gross wages up to $128,400. Medicare Tax is 1.45% of all gross wages.) O $3,156.29 O $3,309.29 O $3,462.29 O $3,844.79 22. DETAILS BRECMBC9 9.11.TB.003. ASK YOUR TEACHER MacBook Air 4h > 411 & 4. 7\ 2 3 6. delete E R T Y U D H. K C option command command option

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