A sample of price of 16 different models of mobile in a stor

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Reference no: EM13811577

1) A sample of price of 16 different models of mobile in a store are as follows:

900 300 340 450 280 220 340 290 370 400 310 340 430 270 380 910

a) Calculate the mean, median, mode, first and third quartile.

b) Calculate the variance, standard deviation, range, interquartile range, coefficient ofvariation and z scores. Are there any outliers?

2) Following data gives the weekly wage of all 10 workers in a grocery shop:

460 500 350 360 400 1050 330 400 300 510

Calculate the mean, variance and standard deviation. Calculate the z scores. Whatconclusions can you reach about employee wages at this grocery shop?

3) Net profit (in thousand) of a shop during a sample of 10 months (n=10) during last 5 years are asfollows:

10 12 15 14 11 18 20 16 10 13

a. List the 5 number summary.

b. Construct the box and whisker plot and describe the shape

Reference no: EM13811577

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