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 largo samplo size or whan the population distribution is approximately normal. For each situation: Use the sample means to estimate the mean of the population. Find the standard deviation of the sample means. Use the standard deviation of the sample means to estimate the margin of errar. 10 samples of 25 gas stations are selected at random and the price of regular gasoline is recorded for cach gas station. The sample means are shown for the 10 samples. The mean number of claimed UFO sightings are shown for 13 samples of 5 randormly solocted months. 400.2, 427.4, 892.2, 640.6, 713.4, 614, 725.8, 477.2, 460, 445.2, 476.8, 336.6, 536.4 $2.38, $2.42, $2.64, $2.35, $2.65, $2.47, $2.67, $2.59, $2.63, $2.41 Meurn: Meur: Standard Deviation: Sturutard Deviation: Margin of tror Margin of Error: Share with Class Share with Clas0

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Update
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Unit 4, Lesson 12: Estimating a Population Mean
Destiny Oosobu
5 of 14
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 each situation:
Use the sample means to astimate the mean of the population.
Find the standard deviation of the sample means.
Use the standard deviation of the sample mcans to estimate the margin of error.
10 samples of 25 gas stations are selected at random
and the price of regular gasoline is recorded for cach gas for 13 samples of 5 randormly selocted months.
station. The sample means are shown for the 10 samples.
The mean number of claimed UFO sightings are shown
400.2, 427.4, 892.2, 640.6, 713.4, 614, 725.8, 477.2,
460, 445.2, 476.8, 336.6, 536.4
$2.38, $2.42, $2.64, $2.35, $2.65, $2.47, $2.67, $2.59,
$2.63, $2.41
Moar:
Meer:
Standard Deviation:
Stundard Deviation:
Margin of Error:
Margin of Error:
Share with Class
Share with Class
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Transcribed Image Text:ull T-Mobile LTE 1 6:29 PM •n 22% O Done 3 of 6 + FRI FIJ ee G 6GM E OA FI ØGG O 0 0 G + x MaM FOU O0 O F O a N Update i student.desmos.com/activiaybuider/student/6085e8oo08264d0cbde504ad#screenld=0a3d0813-104-498a-089c-54fdd466a73a O Empieyment Conter Legin Session Exciration. b Seling Aasociate-. Synin PView Portit Prno. 6 Nursing: Tracition. E Apps a OnCourse Correc.. Clara Destiny ano. Noxt > Unit 4, Lesson 12: Estimating a Population Mean Destiny Oosobu 5 of 14 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 each situation: Use the sample means to astimate the mean of the population. Find the standard deviation of the sample means. Use the standard deviation of the sample mcans to estimate the margin of error. 10 samples of 25 gas stations are selected at random and the price of regular gasoline is recorded for cach gas for 13 samples of 5 randormly selocted months. station. The sample means are shown for the 10 samples. The mean number of claimed UFO sightings are shown 400.2, 427.4, 892.2, 640.6, 713.4, 614, 725.8, 477.2, 460, 445.2, 476.8, 336.6, 536.4 $2.38, $2.42, $2.64, $2.35, $2.65, $2.47, $2.67, $2.59, $2.63, $2.41 Moar: Meer: Standard Deviation: Stundard Deviation: Margin of Error: Margin of Error: Share with Class Share with Class csc ra * # delete 7 - 1 2 4 R Y P Q W E tab G H J K A S D re caps lock > Z X C V B N shift command option In control option command -
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