Go to the following website to open the dataset in StartCrun

Go to the following website to open the dataset in StartCrunch: Movie Budgets and Box Office Earnings This data set has the box office performance of every widely relased movie from 1915 through the middle of 2014. It contains the following variables: Release Month: the month of release Release Dat : the day of month when released Release Year: year when released Movie: movie title Budget ($M): production budget in millions of dollars Domestic ($M): domestic gross in millions of dollars Worldwide ($M): worldwide gross in millions of dollars Is this data an observational study or an experiment? Observational Experiment One famous movie producer will only work on movies that are anticipated to make over 100 million dollars worldwide. How many movies in this data set made over 100 million dollars world wide? Run a one sample Ztest to determine if the mean worldwide gross is signficantly less than 100 million dollars. What is the p-value for the hypothesis test (ro

Solution

observational

2500

p value : 0.0025

there is suffcient effidence to reject the null and prove that mean worlwide gross is less than 10