English Scatterplots
Practice
Active
1
2
3
The data below represents the relationship between the total fat and the total calories in fast food. Draw a
scatter plot for the data.
Total Fat (grams) 9 13 21 30 31 28
Total Calories
260 320 420 530 560 560
a.
C.
1600+
12
1600
12
3440
1200
1120
1440
1280
1120
960
960
Calories
Calories
800
800
640
640
480
400
320
320
160
160
8 16 24 32 40 48 56 64 72
• 16 24 32 40 48 56 64 72 ?
Total Fat (in grams)
Total Fat (in grams)

Which of the choices shown could be used to prove that aacp=abcp ?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?