Data 2.7 on page 93 introduces the dataset HollywoodMovies2011, which contains information on all the 136 movies that came out of Hollywood in 2011.

(a) Find the mean and standard deviation for the budgets (in millions of dollars) of all 2011 Hollywood movies. Use the correct notation with your answer.

(b) Use StatKey or other technology to generate a sampling distribution for the sample mean of budgets of 2011 Hollywood movies using a sample size of n = 20. Give the shape and center of the sampling distribution and give the standard error.  

Data 2.7 on page 93

There were 136 movies that came out of Hollywood in 2011 and the dataset HollywoodMovies2011 contains lots of information on these movies, such as studio, genre, budget, audience ratings, box office average opening weekend, world gross, and others.