Question

Construct a 90​% confidence interval to estimate the population mean using the accompanying data. What assumptions...

Construct a 90​% confidence interval to estimate the population mean using the accompanying data. What assumptions need to be made to construct this​ interval?

x= 55 σ= 11 n=16

What assumptions need to be made to construct this​ interval?

A. The sample size is less than 30.

B. The population must be normally distributed.

C. The population is skewed to one side.

D. The population mean will be in the confidence interval.

Homework Answers

Answer #1

What assumptions need to be made to construct this​interval?

The population must be normally distributed.

To get critical value use excel command=normsinv(0.1/2)=1.644

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Construct a 90% confidence interval to estimate the population mean using the data below. x? =...
Construct a 90% confidence interval to estimate the population mean using the data below. x? = 90 ? = 10 n = 30 N = 300 The? 90% confidence interval for the population mean is? (_,_).
Construct a 99% confidence interval to estimate the population mean using the data below. x overbarx=15...
Construct a 99% confidence interval to estimate the population mean using the data below. x overbarx=15 s=5.6 n=12 What assumptions need to be made about this population? The 99% confidence interval for the population mean is from a lower limit of ____ to an upper limit of ____
Assuming that the population is normally​ distributed, construct a 90 % confidence interval for the population​...
Assuming that the population is normally​ distributed, construct a 90 % confidence interval for the population​ mean, based on the following sample size of n equals 6. ​1, 2,​ 3, 4 comma 5​, and 30 In the given​ data, replace the value 30 with 6 and recalculate the confidence interval. Using these​ results, describe the effect of an outlier​ (that is, an extreme​ value) on the confidence​ interval, in general. Find a 90 % confidence interval for the population​ mean,...
Refer to the accompanying data set and construct a 90​% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90​% confidence interval estimate of the mean pulse rate of adult​ females; then do the same for adult males. Compare the results. LOADING... Click the icon to view the pulse rates for adult females and adult males. Construct a 90​% confidence interval of the mean pulse rate for adult females. nothing bpm less than < mu μ less than < nothing bpm ​(Round to one decimal place as​ needed.) Construct a...
Determine the sample size n needed to construct a 90?% confidence interval to estimate the population...
Determine the sample size n needed to construct a 90?% confidence interval to estimate the population mean when ? = 48 and the margin of error equals 8. n =
Assuming that the population is normally​ distributed, construct a 95​% confidence interval for the population mean...
Assuming that the population is normally​ distributed, construct a 95​% confidence interval for the population mean for each of the samples below. Sample​ A: 11    33    44    44    55    55    66    88 Full data set Sample​ B: 11    22    33    44    55    66    77    88 Construct a 95​% confidence interval for the population mean for sample A. ____ ≤ μ ≤ _____
Construct the indicated confidence interval for the population mean using the? t-distribution. Assume the population is...
Construct the indicated confidence interval for the population mean using the? t-distribution. Assume the population is normally distributed. c = 0.90?, x=14.4?, s=2.0?, n=10 The 90?% confidence interval using a? t-distribution is (_,_)
Construct a 90% confidence interval to estimate the population mean when x =62 and s​ =13.5...
Construct a 90% confidence interval to estimate the population mean when x =62 and s​ =13.5 for the sample sizes below. ​a) n=20 ​b) n=40 ​c) n=60 ​a) The 90% confidence interval for the population mean when n=20 is from a lower limit of nothing to an upper limit of nothing. ​(Round to two decimal places as​ needed.)
Refer to the accompanying data set and construct a 90​% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90​% confidence interval estimate of the mean pulse rate of adult​ females; then do the same for adult males. Compare the results. LOADING... Click the icon to view the pulse rates for adult females and adult males. Construct a 90​% confidence interval of the mean pulse rate for adult females. nothing bpmless thanmuless than nothing bpm ​(Round to one decimal place as​ needed.) Construct a 90​% confidence interval of the mean...
Assuming that the population is normally​ distributed, construct a 95% confidence interval for the population​ mean,...
Assuming that the population is normally​ distributed, construct a 95% confidence interval for the population​ mean, based on the following sample size of n=8. ​1, 2,​ 3, 4, 5, 6, 7 and 16 In the given​ data, replace the value 16 with 8 and recalculate the confidence interval. Using these​ results, describe the effect of an outlier​ (that is, an extreme​ value) on the confidence​ interval, in general. Find a 95% confidence interval for the population​ mean, using the formula...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT