A company producing baseballs selects 10 basebals at random 9 times a day and measures the diameter in centimeters. The mean of each of the 9 samples of 10 basebalis is shown. A publisher takes 15 random samples of 10 people to octermine the number of minutes they spend reading a newspaper. The sample mean is displayed for each of the samples. 11.1, 9.2, 8.1, 10.5, 10, 9.7, 7.7, 11.8, 11.1, 7.6, 6.3, 9.4, 10.4, B.7, 10.2 7.5, 7.6, 7.2, 7.4, 7.2, 7.3, 7.5, 6.9, 7.5 Mean: Meer: Standerd Detation Standard Dev etion: Margin of Error. Mngin of Eror.

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ull T-Mobile LTE
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M N O S
G6 G M O e a FA OGG GGO0 o
M.
a
FOU
i student desmes.comiactivitybuloer/student/6085elbd00264docbdc504adascreenid-beb355dc-243-4a01-8292-04d512298184
(Update
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b Saling Aescciane-..
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= Unit 4, Lesson 12: Estimating a Population Mean
Desiny Croeg
6 of 14
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Margin of Error for Means
As with the means of sample proportions, the means of sample means are usually within 2 standard deviations of the population mean when there is a large
sample size or when the population distribution is approximately normal. For cach situation:
Use the sample moans to estimate the moan of the population.
Find the standard deviation of the sample means.
Use the standard deviation of the sample means to estirmate the margin of error.
A company producing baseballs selects 10 basebals at
random 9 times a day and measures the diamoter in
centimeters. The mean of cach of the 9 samples of 10
basebalis is shown.
A publisher takes 15 random samples of 10 people to
dotermine the number of minutes they spend reading a
newspaper. The sample mean is displayed for each of
the samples.
7.5, 7.6, 7.2, 7.4, 7.2, 7.3, 7.5, 6.9, 7.5
11.1, 9.2, 8.1, 10.5, 10, 9.7, 7.7, 11.8, 11.1, 7.6, 6.3,
9.4, 10.4, 8.7, 10.2
Mesan:
Meer:
Standard Dentetion:
Siandard Devetion:
Margin of Frror.
Mrgin of Frror.
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Transcribed Image Text:ull T-Mobile LTE 1 6:29 PM •n 22% O Done 4 of 6 M N O S G6 G M O e a FA OGG GGO0 o M. a FOU i student desmes.comiactivitybuloer/student/6085elbd00264docbdc504adascreenid-beb355dc-243-4a01-8292-04d512298184 (Update E Acps a OnCour Conrec. Clar Destiny sne.. O Employmont Centar togin l Session Espration.. b Saling Aescciane-.. Sgn in P View Portrait Pron O Mursing. Tradtion. = Unit 4, Lesson 12: Estimating a Population Mean Desiny Croeg 6 of 14 Next > Margin of Error for Means As with the means of sample proportions, the means of sample means are usually within 2 standard deviations of the population mean when there is a large sample size or when the population distribution is approximately normal. For cach situation: Use the sample moans to estimate the moan of the population. Find the standard deviation of the sample means. Use the standard deviation of the sample means to estirmate the margin of error. A company producing baseballs selects 10 basebals at random 9 times a day and measures the diamoter in centimeters. The mean of cach of the 9 samples of 10 basebalis is shown. A publisher takes 15 random samples of 10 people to dotermine the number of minutes they spend reading a newspaper. The sample mean is displayed for each of the samples. 7.5, 7.6, 7.2, 7.4, 7.2, 7.3, 7.5, 6.9, 7.5 11.1, 9.2, 8.1, 10.5, 10, 9.7, 7.7, 11.8, 11.1, 7.6, 6.3, 9.4, 10.4, 8.7, 10.2 Mesan: Meer: Standard Dentetion: Siandard Devetion: Margin of Frror. Mrgin of Frror. Share with Class Share with Class & 1 2 3 5 6 7 8 9 delete Q W E R Y | U P tab A S D F G H J K return caps lock > ? X C V B N M shift control option command command option II
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