A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 6.3, 7.1, 8.7, 6.1, 7.4, 7.5, 6.4, 7.8, 7.5, 4.4, 6.1, 7.1, 5.9, 5.9, 7.6 Construct a 95% confidence interval for the average time it takes this species of bacteria to divide. 6.787 S = 1.0297 a .025 te 2.145 %D .5705 Margine of Error: E We are 95% confident that this species of bacteria takes, on average, between hours to divide. 6.13 x hours and

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A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide.
She watches 15 cells through a microscope and times how long it takes them to divide. She obtains
the following data, in hours:
6.3, 7.1, 8.7, 6.1, 7.4, 7.5, 6.4, 7.8, 7.5, 4.4, 6.1, 7.1, 5.9, 5.9, 7.6
Construct a 95% confidence interval for the average time it takes this species of bacteria to divide.
6.787
S =
1.0297
.025
t.
%3D
2.145
Margine of Error: E =
.5705
We are 95% confident that this species of bacteria takes, on average, between
hours to divide.
X hours and
6.13
Transcribed Image Text:etry this question below A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 6.3, 7.1, 8.7, 6.1, 7.4, 7.5, 6.4, 7.8, 7.5, 4.4, 6.1, 7.1, 5.9, 5.9, 7.6 Construct a 95% confidence interval for the average time it takes this species of bacteria to divide. 6.787 S = 1.0297 .025 t. %3D 2.145 Margine of Error: E = .5705 We are 95% confident that this species of bacteria takes, on average, between hours to divide. X hours and 6.13
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