Mathematics, 02.08.2019 18:20 squawk1738
The overall distance traveled by a golf ball is tested by hitting the ball with iron byron, a mechanical golfer with a swing that is said to emulate the legendary champion, byron nelson. ten randomly selected balls of two brands are tested and the overall distance measured. assume the data are normally distributed. the data follow: brand 1 brand 2 258 278 273 275 287 271 260 265 283 271 273 281 279 275 271 270 263 267 263 268 (a) is there evidence to show that there is a difference in the variance of the brands? use α=0.05. choose your answer in accordance to the item a) of the question statement (b) calculate a 95% two-sided confidence interval on σ1/σ2. round your answer to three decimal place
Answers: 3
Mathematics, 22.06.2019 00:00
David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?
Answers: 1
Mathematics, 22.06.2019 00:30
What is the perimeter of an equilateral triangle if each side is (x+3)?
Answers: 1
Mathematics, 22.06.2019 03:30
Solve -3 (r + 5) = -9 enter ur answer in the box x = __
Answers: 2
The overall distance traveled by a golf ball is tested by hitting the ball with iron byron, a mechan...
English, 22.04.2020 01:47
History, 22.04.2020 01:48
Mathematics, 22.04.2020 01:48
History, 22.04.2020 01:48