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## Statistics

Hypothesis testing for difference between two means.

A month of sales data are collected on sales of different kinds of computer products Run the t-tests to determine:

A. Is there a difference in the total sales numbers for laptops versus desktops?

B. Is there a difference in the total sales numbers for components versus desktops?

 laptops desktops Components Mon \$7,602.17 \$12,511.13 \$12,105.76 Tues \$11,618.23 \$8,037.58 \$26,403.16 Wed \$15,422.85 \$17,301.69 \$17,552.92 Thur \$16,623.54 \$14,168.30 \$14,445.31 Fri \$7,344.27 \$5,804.46 \$18,260.22 Mon \$26,522.36 \$15,371.15 \$11,909.67 Tues \$11,414.74 \$14,663.46 \$28,504.13 Wed \$16,936.27 \$10,843.66 \$21,985.51 Thur \$16,333.44 \$9,999.81 \$13,342.22 Fri \$17,766.90 \$14,845.21 \$20,455.42 Mon \$15,845.07 \$17,784.57 \$11,672.22 Tues \$11,134.35 \$11,930.70 \$22,231.99 Wed \$16,029.22 \$10,421.93 \$22,686.15 Thur \$9,141.06 \$14,769.15 \$8,620.69 Fri \$10,687.02 \$9,499.93 \$25,757.44 Mon \$10,292.05 \$13,627.55 \$27,020.31 Tues \$17,817.07 \$28,287.28 \$21,916.69 Wed \$10,197.67 \$12,944.52 \$13,979.96 Thur \$8,659.64 \$11,159.03 \$10,714.26 Fri \$17,767.90 \$10,421.83 \$21,975.52

Statistics and Probability, Statistics

• Category:- Statistics and Probability
• Reference No.:- M920091

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