The percentage of movies with ratings of R has been 55% during a recent period of 33 years. Find the proportion of movies with ratings of R. Use a 0.01 significance level to test the claim that the movies in the sample are from a population in which more than 55% of the movies have R ratings.   Title MPAA 8 Mile R Alone in the Dark R Aviator PG-13 Big Fish PG-13 Bourne Identity PG-13 Break-Up PG-13 Charlie's Angels: Full Throttle PG-13 Collateral R Crash R Daddy Day Care PG DaVinci Code PG-13 Eternal Sunshine of the Spotless Mind R From Justin to Kelly PG Harry Potter Goblet of Fire PG-13 Hostel R House of the Dead R Last Samurai R Million Dollar Baby PG-13 Pirates of the Carribbean (II) PG-13 Rollerball PG-13 S.W.A.T. PG-13 Secret Window PG-13 Signs PG-13 Silent Hill R Son of the Mask PG Spider-Man 2 PG-13 Star Wars III PG-13 Sum of All Fears PG-13 The Pianist R The Village PG-13 Van Helsing PG-13 Vanilla Sky R Walk the Line PG-13 War of the Worlds PG-13 Wedding Crashers R   Null hypothesis   Alternative hypothesis   Significance level   Sample proportion   Z-statistic   Critical values   Conclussion

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.