The second quartile of a data set is 4.2. which statement about the data values is true?
a. the data value 2.5 will lie below the second quartile.
b. the data value 4.7 will lie below the second quartile.
c. one fourth of the values are less than or equal to 4.2, and three fourths are above 4.2.
d. one fourth of the values are less than or equal to 4.2, and half of the values are above 4.2.
e. one fourth of the values are above 4.2, and half of the values are less than or equal to 4.2.

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

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.

David must install fencing around a lot that is shaped like a right angle. the side of lot that runs east-west is 200 ft long. the side of the lot runs north-south is 125 ft long. calculate how many feet of fencing he will need to surround the entire lot.