Use the data contained in the sheet corresponding to Movies in the attached Excel file and a) Construct a 99% confidence interval estimate of the mean length of all movies. b) Construct a 99%...


Use the data contained in the sheet corresponding to Movies in the attached Excel file and


a) Construct a 99% confidence interval estimate of the mean length of all movies.
b) Construct a 99% confidence interval estimate of the standard deviation of the length of all movies.






















































































































































TitleLength
8 Mile110
Alone in the Dark96
Aviator170
Big Fish125
Bourne Identity119
Break-Up105
Charlie's Angels: Full Throttle106
Collateral120
Crash113
Daddy Day Care92
DaVinci Code149
Eternal Sunshine of the Spotless Mind108
From Justin to Kelly81
Harry Potter Goblet of Fire157
Hostel94
House of the Dead90
Last Samurai154
Million Dollar Baby132
Pirates of the Carribbean (II)150
Rollerball97
S.W.A.T.117
Secret Window96
Signs106
Silent Hill127
Son of the Mask94
Spider-Man 2127
Star Wars III140
Sum of All Fears124
The Pianist150
The Village108
Van Helsing132
Vanilla Sky136
Walk the Line136
War of the Worlds116
Wedding Crashers119



























Mean:
Point estimate
Confidence level
Confidence interval:
Lower limit
Upper limit


























Standard deviation:
Point estimate
Confidence level
Confidence interval:
Lower limit
Upper limit


Jun 09, 2022
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