It is claimed that participants of a popular weight loss programme have a mean weight loss of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the programme and recorded their weight loss (in pounds) after 1 month. The data was inputted into MINITAB for analysis. Exhibit 1, below, was subsequently generated. Exhibit 1 One-Sample Z: Weight Test of mu = 10 vs < 10 The assumed standard deviation = 2.5 Variable N Mean StDev SE Mean Weight Loss 30 8.977 2.463? N Z a) Calculate the missing value "?". b) Construct the 97% confidence interval for the population mean weight loss for participants on this popular weight loss programme.

MATLAB: An Introduction with Applications
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Aa ▾ AB-E-5, 6* A¶
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Test of mu = 10 vs < 10
The assumed standard deviation = 2.5
Variable
N
Weight Loss 30
DI
Document3 - Word
Tell me what you want to do...
It is claimed that participants of a popular weight loss programme have a mean weight loss of 10 pounds
after 1 month. A medical researcher randomly selected 30 participants of the programme and recorded
their weight loss (in pounds) after 1 month. The data was inputted into MINITAB for analysis. Exhibit 1,
below, was subsequently generated.
Exhibit 1 One-Sample Z: Weight
Mean StDev SE Mean
8.977 2.463 ?
f
AaBb CcDc AaBb CcDc AaBb C AaBb Ccc AaB AaBbccc AaBb CcD AaBb CcD
Normal
1 No Spac... Heading 1 Heading 2
Title
Subtitle
Subtle Em... Emphasis
Z
*
P
O w
Styles
**
a) Calculate the missing value '?'.
b) Construct the 97% confidence interval for the population mean weight loss for participants on this
popular weight loss programme.
c) State the null and the alternative hypotheses for this test.
d) Determine the missing value '*'.
e) Use the tables provided to approximate the missing value ****.
f) Using a level of significance a of 5%, state the decision and conclusion for this test.
D
4
UV High UV
8
Find
ac Replace
ab
час
Select
G Editing
X
Share
12:59 PM
11/3/2023
A
+ 100%
Transcribed Image Text:BS. G File Paste Page 1 of 1 + Home Insert Design Layout Calibri (Body) 11 BIU abe X₂ X² Cut E Copy Format Painter Clipboard G 162 words Type here to search Font References Mailings Review View Aa ▾ AB-E-5, 6* A¶ A A A at A T === E - Paragraph Test of mu = 10 vs < 10 The assumed standard deviation = 2.5 Variable N Weight Loss 30 DI Document3 - Word Tell me what you want to do... It is claimed that participants of a popular weight loss programme have a mean weight loss of 10 pounds after 1 month. A medical researcher randomly selected 30 participants of the programme and recorded their weight loss (in pounds) after 1 month. The data was inputted into MINITAB for analysis. Exhibit 1, below, was subsequently generated. Exhibit 1 One-Sample Z: Weight Mean StDev SE Mean 8.977 2.463 ? f AaBb CcDc AaBb CcDc AaBb C AaBb Ccc AaB AaBbccc AaBb CcD AaBb CcD Normal 1 No Spac... Heading 1 Heading 2 Title Subtitle Subtle Em... Emphasis Z * P O w Styles ** a) Calculate the missing value '?'. b) Construct the 97% confidence interval for the population mean weight loss for participants on this popular weight loss programme. c) State the null and the alternative hypotheses for this test. d) Determine the missing value '*'. e) Use the tables provided to approximate the missing value ****. f) Using a level of significance a of 5%, state the decision and conclusion for this test. D 4 UV High UV 8 Find ac Replace ab час Select G Editing X Share 12:59 PM 11/3/2023 A + 100%
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