In 1971 there was a shift in attitudes as Americans ideal fa

In 1971, there was a shift in attitudes, as Americans’ “ideal” family switched from four kids to two kids, with a mean saying 2.9 kids was ideal. Back in 1936, the mean ideal number of kids was 3.6. A random sets of UAlbany students were polled and asked what was their ideal of family size. The measurements below represent their responses. 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 4, 4

The median of this data set is __

The average is __

The mode is __

The IQR is __

The standard deviation is __

(enter the answer rounded to two decimal places)

Solution

a) median=1.5

b) average=1.5

c) mode=4

d) Q₁=1,Q₃=2,IQR=1

e) standard deviation=1.147079