1. How much taller is the volleyball team than the gymnastics
team?
o Gymnastics team's heights (in inches): 56, 59, 60, 62, 62,
63, 63, 63, 64, 64, 68, 69
o Volleyball team's heights (in inches): 72, 75, 76, 76, 78, 79,
79, 80, 80, 81, 81, 81/
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The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

The price of one share of a company’s stock declined $13.89 every day for 2.5 days what was the stocks total decline in price

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?