B. A physical fitness traine has several wkouts she developed for increasing female upper body strmth All the workout plum e creted based on the aveage adult women's bench pre ability. The average adult woman can bench 115 Ibs. with a standard deviation of 18 pounds The trainer hae a clas of 14 females and does an initial test to see if the women are representative of the average fimale population. Data L Write the all and altenative hypothenis in statistical Female Class Bench Ability (Ibe.) fm: 130 100 99 114 in 130 97 2. Determine the mean for the sample 7. 114 135 6. 128 3. Apply the-test formala 10 128 11 116 12 141 13 113 14 116 4. Is thas a one tailed (directional test) or a two-tailed (non-drectional test) 5Wr is your alpha leel set to a- 6 Deermane the crmcal valua Z- Labal the critical alue) and indicate the position of the Z on the dstribution

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 7PPS
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cture.com/courses/63287/assignments/1350742
B. A physical fitness traines has several workouts she derveloped for increasing fimale upper
body strenpth. All the workout plans are crested bsed on the aveaage adult women's bench
press ability. The average adult woman can bench 115 Ibs. with a standard deviation of 18
pounds. The trainer has a class of 14 females and does an initial test to see if the women are
representative of the average fimale population.
Data
L Write the mall and alternative hypothenis in statistical
form:
Female Class
Bench Ability (Ibs.)
130
100
13
99
14
114
130
97
2. Determine the mean for the sample:
114
135
128
3. Apply the z-test formula
10
128
11
116
12
141
13
113
14
116
4. Is thas a one-taled (directional test) or a two-tailed
(non-directional test)
S Whz is your alpha level set to a
6. Datarmine the crincal valuS (Z=
Labal the critical aluel) and indicate the position of the Z on the dstribution
Transcribed Image Text:cture.com/courses/63287/assignments/1350742 B. A physical fitness traines has several workouts she derveloped for increasing fimale upper body strenpth. All the workout plans are crested bsed on the aveaage adult women's bench press ability. The average adult woman can bench 115 Ibs. with a standard deviation of 18 pounds. The trainer has a class of 14 females and does an initial test to see if the women are representative of the average fimale population. Data L Write the mall and alternative hypothenis in statistical form: Female Class Bench Ability (Ibs.) 130 100 13 99 14 114 130 97 2. Determine the mean for the sample: 114 135 128 3. Apply the z-test formula 10 128 11 116 12 141 13 113 14 116 4. Is thas a one-taled (directional test) or a two-tailed (non-directional test) S Whz is your alpha level set to a 6. Datarmine the crincal valuS (Z= Labal the critical aluel) and indicate the position of the Z on the dstribution
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