4 A batch of trail mix has nuts to raisins at the rate shown on the graph. 12
11
10
9
8
Raisins (oz)
ON
S
4
3
2
1
0
2.4 6 8 10 12 14 16 18 20 22 24
Nuts (oz)
Part A
Fill in the blanks to explain the relationships shown by the graph.
The ratio of ounces of nuts to ounces of raisins is
to
. In 4 batches of trail mix, the number of ounces of nuts is
and the number of ounces of raisins is
The ordered pair (18,9) means 18 ounces of
9 ounces of
to

Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias