Find the critical value of z that corresponds to α = 0.01 in a one tailed hypothesis test where the alternate hypothesis reads HA: μ < 5.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Simplify. 3(4+4x) (type your answer in with no spaces)

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?