ull T-Mobile LTE1 6:29 PM•n 22% ODone4 of 6M N O SG6 G M O e a FA OGG GGO0 oM.aFOUi student desmes.comiactivitybuloer/student/6085elbd00264docbdc504adascreenid-beb355dc-243-4a01-8292-04d512298184(UpdateE Acpsa OnCour Conrec.Clar Destiny sne..O Employmont Centartogin l Session Espration..b Saling Aescciane-..Sgn in P View Portrait PronO Mursing. Tradtion.= Unit 4, Lesson 12: Estimating a Population MeanDesiny Croeg6 of 14Next >Margin of Error for MeansAs 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 largesample 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 atrandom 9 times a day and measures the diamoter incentimeters. The mean of cach of the 9 samples of 10basebalis is shown.A publisher takes 15 random samples of 10 people todotermine the number of minutes they spend reading anewspaper. The sample mean is displayed for each ofthe samples.7.5, 7.6, 7.2, 7.4, 7.2, 7.3, 7.5, 6.9, 7.511.1, 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, 10.2Mesan:Meer:Standard Dentetion:Siandard Devetion:Margin of Frror.Mrgin of Frror.Share with ClassShare with Class&12356789deleteQWERY | UPtabASDFG H JKreturncaps lock>?XC V B N MshiftcontroloptioncommandcommandoptionII

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Sample 1 means: 7.5,7.6,7.2,7.4,7.2,7.3,7.5,6.9,7.5 A company selects 10 baseballs at random 9…

Math

Statistics

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.

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.

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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Topic Video

Question

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
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6
7
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A sales manager recorded the number of sales made by each of the 300 salespeople working athis chain of furniture outlet stores on a Saturday and created the following table.# Sales (bins) Proportion of salespeople in this bin0 – 3 0.053 – 6 0.156 – 9 0.30 9 – 12 0.3512 -15 0.15a. What is the unit of observation in this sample?b. What is the variable collected?c. Draw and label the histogram for this dataset.d. Which is the modal category?e. Calculate the proportion of the salespeople made 9 or more sales.f. Calculate the number of salespeople who made between 0 and 9 sales.
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I vacuum cleaners. The weights are classified according to vacuum cleaner type. At a=0.10, can you conclude that at least one mean vacuum cleaner weight is different The table available below shows the weights (in pounds) for a sample from the others? E Click the icon to view the vacuum cleaner weight data. Let Hgu. PBLU and PTC represent the mean weights for bagged upright, bagless upright, and top canister vacuums respectively. What are the hypotheses for this test? O A. Ho: Heu * PBLU HTC H PBU PBLU =HTC Weight of Vacuum Cleaners by Type O B. Ho: At least one of the means is different. H PBu = HBLUu =PTC &c. Họ: PBU = HBLU =HTC Bagged upright 22 19 Bagless upright Top canister 21 22 23 25 H: At least one of the means different. 17 20 15 18 18 19 O D. Ho: PBU = PBLU "HTC 23 20 26 25 22| 23 Ha: Peu * PBLU *HTC What is the test statistic? Print Done F= (Round to two decimal places as needed.)
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