A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably experiences fluctuations in filling, so a quality-controi manager randomly samples 12 jars of peanuts from the storage facility and measures their contents. She obtains the accompanying data Complete parts (a) through (d) below. Click here to view the peanut jar data Click here to view the table of critical values of the chi-square distribution. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Verify that the data are normally distributed by constructed a normal probability plot. Choose the correct normal probability plot below. OA. OB. &c. A expected z-score Q Q 1.75 -1.754 19.2 *** Yes No 2 observation Are the data normally distributed? 20.6 (b) Determine the sample standard deviation. s= (Round to three decimal places as needed.) A expected z-score 1.754 -1.75 19.2 observation 20.6 2 1.75- -1.75 A expected z-score Peanut jar data 19.2 ....... observation 19.94 19.71 20.22 19.25 19.45 20.14 19.78 19.47 20.6 Q Q 19.85 19.86 20.26 20.54 D OD. - X A expected z-score Q Q 206+ 19.2- -1.75 60 observation 1.75 G 4
A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably experiences fluctuations in filling, so a quality-controi manager randomly samples 12 jars of peanuts from the storage facility and measures their contents. She obtains the accompanying data Complete parts (a) through (d) below. Click here to view the peanut jar data Click here to view the table of critical values of the chi-square distribution. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) Verify that the data are normally distributed by constructed a normal probability plot. Choose the correct normal probability plot below. OA. OB. &c. A expected z-score Q Q 1.75 -1.754 19.2 *** Yes No 2 observation Are the data normally distributed? 20.6 (b) Determine the sample standard deviation. s= (Round to three decimal places as needed.) A expected z-score 1.754 -1.75 19.2 observation 20.6 2 1.75- -1.75 A expected z-score Peanut jar data 19.2 ....... observation 19.94 19.71 20.22 19.25 19.45 20.14 19.78 19.47 20.6 Q Q 19.85 19.86 20.26 20.54 D OD. - X A expected z-score Q Q 206+ 19.2- -1.75 60 observation 1.75 G 4
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably experiences fluctuations in filling, so a quality-control manager randomly samples 12 jars of peanuts from the storage
facility and measures their contents. She obtains the accompanying data. Complete parts (a) through (d) below.
Click here to view the peanut jar data
Click here to view the table of critical values of the chi-square distribution.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(a) Verify that the data are normally distributed by constructed a normal probability plot. Choose the correct normal probability plot below.
OA.
OB.
&c.
1.75-
expected z-score Q
-1.75+
n
S=
19.2
Are the data normally distributed?
Yes
observation
No
20.6
(b) Determine the sample standard deviation.
(Round to three decimal places as needed.)
A expected z-score
म
1.75-
-1.75 +
19.2
observation
ww
20.6
A expected z-score
1.75-
-1.75+
Peanut jar data
19.2
●
observation
20.6
G
19.85
19.86
19.94 19.71 20.22 19.25
19.45 20.14 19.78 19.47 20.26 20.54
O
OD.
20.6-
expected z-score
19.24
-1.75
X
observation
1.75
Q
1
K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd0f313e6-992f-4682-a9e6-d24cafba7166%2Ff4be9739-9263-485b-8996-3da0ca697d21%2Ftio4uog_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A jar of peanuts is supposed to have 20 ounces of peanuts. The filling machine inevitably experiences fluctuations in filling, so a quality-control manager randomly samples 12 jars of peanuts from the storage
facility and measures their contents. She obtains the accompanying data. Complete parts (a) through (d) below.
Click here to view the peanut jar data
Click here to view the table of critical values of the chi-square distribution.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(a) Verify that the data are normally distributed by constructed a normal probability plot. Choose the correct normal probability plot below.
OA.
OB.
&c.
1.75-
expected z-score Q
-1.75+
n
S=
19.2
Are the data normally distributed?
Yes
observation
No
20.6
(b) Determine the sample standard deviation.
(Round to three decimal places as needed.)
A expected z-score
म
1.75-
-1.75 +
19.2
observation
ww
20.6
A expected z-score
1.75-
-1.75+
Peanut jar data
19.2
●
observation
20.6
G
19.85
19.86
19.94 19.71 20.22 19.25
19.45 20.14 19.78 19.47 20.26 20.54
O
OD.
20.6-
expected z-score
19.24
-1.75
X
observation
1.75
Q
1
K
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