Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct an 80% confidence interval estimate of the population standard deviation. 64 65 65 55 65 54 61 60 61 70 58 69 LOADING... Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is nothing mi/hless thansigmaless than nothing mi/h.
= (64 + 65 + 65 + 55 + 65 + 54 + 61 + 60 + 61 + 70 + 58 + 69)/12 = 62.25
s = sqrt(((64 - 62.25)^2 + (65 - 62.25)^2 + (65 - 62.25)^2 + (55 - 62.25)^2 + (65 - 62.25)^2 + (54 - 62.25)^2 + (61 - 62.25)^2 + (60 - 62.25)^2 + (61 - 62.25)^2 + (70 - 62.25)^2 + (58 - 62.25)^2 + (69 - 62.25)^2)/11) = 5.03
At 80% confidence level, the critical values are
The 80% confidence interval for is
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample...
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 98% confidence interval estimate of the population standard deviation. 60 65 65 55 65 55 59 58 59 69 62 66. The confidence interval estimate is ____ mi/hless thansigmaless than _____ mi/h. (Round to one decimal place as needed.)
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 90% confidence interval estimate of the population standard deviation. 62 61 61 55 61 53 60 59 60 70 58 68 LOADING... Click the icon to view the table of Chi-Square critical values.
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 90% confidence interval estimate of the population standard deviation. 60 61 61 5661 52 59 58 59 69 62 68 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is _______ mi/h< σ < _______mi/h . (Round to one decimal place as needed.)
Listed below are speeds? (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at? 3:30 P.M. on a weekday. Use the sample data to construct a 90?% confidence interval estimate of the population standard deviation. 62 61 61 57 61 54 59 58 59 68 58 69 what is is the CI estimate?
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample P.M. on a weekday. Use the sample data to construct a 98% confidence interval estimate of the was obtained at 3:30 63 60 60 55 60 53 59 58 59 68 62 67 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is mih «o <-mih (Round to one decimal place as needed.)
listed below are speeds (mi/h) measured from traffic on a busy highway. this simple random sample was obtained at 3:30 pm on a weekday. use the sample data to construct a 90% confidence interval estimate of the population standard deviation 64 60 60 57 60 54 59 58 59 69 61 67 the confidence interval estimate is ___mi/h<θ<mi/h round to one decimal place as needed
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct 95% confidence interval estimate of the population standard deviation. 60 61 61 57 61 53 59 58 59 68 62 66 The confidence interval estimate is ______ mi/h
Listed below are speeds (min) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 90% confidence interval estimate of the population standard deviation 65 64 64 56 64 52 59 58 59 70 62 68 Click the icon to view the table of Chi-Square critical values. The confidence interval estimate is min<o<milh. (Round to one decimal place as needed.)
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 90% confidence interval estimate of the population standard deviation. 60,65,65,55,65,53,59,58,59,70,61,67
Listed below are speeds (mi/h) measured from traffic on a busy highway. This simple random sample was obtained at 3:30 P.M. on a weekday. Use the sample data to construct a 95% confidence interval estimate of the population standard deviation. 61,60,60,56,60,55,59,58,59,69,58,68