Which statements are true about mean absolute deviation? select all that apply. the mean absolute deviation is impacted by outliers. the mean absolute deviation is a measure of center of the data. the mean absolute deviation is a measure of variation, or spread, of the data. the lower the mean absolute deviation is, the more spread out the data points are from the mean. the higher the mean absolute deviation is, the more spread out the data points are from the mean.

From the figure and statement provided, select the proper to prove statement. through a point outside a line one line can be drawn parallel to the line. mn= ab ab + bc= ac mis parallel to ! ab=bc als parallel to b

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

He factorization of 8x3 – 125 is (2x – 5)(jx2 + kx + 25). what are the values of j and k?