You want to test whether or not the following sample of 30 observations follows a normal distribution. the mean of the sample equals 11.83 and the standard deviation equals 4.53.

2 3 5 5 7 8 8 9 9 10
11 11 12 12 12 12 13 13 13 14
15 15 15 16 16 17 17 18 18 19

at the 5% level of significance, the conclusion of the test is that the

a. sample data has no probability distribution.
b. sample data is incorrect.
c. data does not follow a normal distribution.
d. null hypothesis cannot be rejected.

The solution set for -18 < 5x-3 iso-3х3< xо-3хo3 > x

Answer the questions about keynesian theory, market economics, and government policy. keynes believed that there were "sticky" wages and that recessions are caused by increases in prices. decreases in supply. decreases in aggregate demand (ad). increases in unemployment. keynes believed the government should increase ad through increased government spending, but not tax cuts. control wages to increase employment because of sticky wages. increase employment through tax cuts only. increase as through tax cuts. increase ad through either increased government spending or tax cuts. intervene when individual markets fail by controlling prices and production.

Which of the following best explains why the demand for housing is more flexible than the supply? a. new housing developments are being constructed all the time. b. low interest rates for mortgages make buying a home very affordable. c. the increasing population always drives demand upwards. d. people can move more easily than producers can build new homes.