Which statement explains how to calculate the mean of a set of data? O A. Subtract the smallest from the largest value. O B. Add the largest and the smallest values and divide by 2. O C. Find the sum of all the values and then divide by the number of values. O D. Organize the data from least to greatest and find the value in the middle. O E. Organize the data from least to greatest and identify which value is repeated the most often.​

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

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