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South Let The (- ) http://wwwmathulcon.Student/PlayerHomework.mpchomeworkidlTZOH ellaSeorth Bookmarks Menu Unsorted Bockmarks MBA5008 Quantitative Analysis &Decision; Making suo1 Homework: Week 3 Homework Score: 0 of 3 pts SUD1 Austin Mattioi | 3/20/18 253 PM Save 5 of 10 (5 complese) Hw Score: 15%, 4 5 of 30 p Question Hep A supplier to automobile manufacturers wants to be sure that the leak rate (in cubic centimeters per second) of transmission ol coolers (TOCs) meets the established specfication imts. A random sample of 10 TOCs is tested, and the leak rates are shown below 0044 0.042 0.052 0044 0050 0058 0044 0.059 0048 0.052 e a Is there eidence that the data are not normally distributed? b Find a minimum variance unbiased point estimate of the population mean c. Use an unbiased estimation procedure to fnd a point estimate of the vaniance of the sample mean a Is there evidence of non-normality? O No Cick to select your answer and then cick Check Answer Clear A HP L1750 WYSE

Explanation / Answer

data <- c(0.044,0.042,0.052,0.044,0.050,0.056,.044,0.059,0.048,0.052)

shapiro.test(data)

        Shapiro-Wilk normality test

data: data
W = 0.92703, p-value = 0.4193

p-value = 0.4193 > 0.05

we fail to reject the null

Is there evidence of non-normality?

No

b)

mean(data)
[1] 0.0491

c)
> var(data)
[1] 3.254444e-05

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