The mean grades of 30 students in both math and science is 85. if the mean absolute deviation of the grades in math is 1 and the mean absolute deviation for the grades in science is 8, which of the following statements is true?

a. the students scored higher grades in math than in science.
b. the grades of the students in science are a lot closer to 85 than the grades of the students in math.
c. the grades of the students in math are a lot closer to 85 than the grades of the students in science.
d. the students scored lower grades in math than in science.

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Look at attachment. has all info needed. need

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.