Which of the following statements are true? check all that apply.

a)the mean is affected by outliers.

b) the mean is always a more accurate measure of center than the median.

c)removing an outlier from a data set will cause the standard deviation to increase.

d)if a data set’s distribution is skewed, then 95% of its values will fall between two standard deviations of the mean.

e) if a data set’s distribution to skewed to the right, its mean will be larger than its median.

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.