Question

The daily high temperatures, in degrees Fahrenheit, of Des Moines for one week were: 64.5 64 66.5 64 62.5 63 Using the data a

0 0
Add a comment Improve this question Transcribed image text
✔ Recommended Answer
Answer #1

From the given information,

By using calculator,

Sample standard deviation (s)=1.7252

Sample size (n)=7

Hence,

Required standard error (SE) of mean is given by,

SE=s/square root (n)

SE=1.7252/square root (7)

SE=0.65

Hence, last option is correct.

Add a comment
Know the answer?
Add Answer to:
The daily high temperatures, in degrees Fahrenheit, of Des Moines for one week were: 64.5 64 66.5...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • Problem2: The high temperatures (in degrees Fahrenheit) of a random sample of 6 small towns are:...

    Problem2: The high temperatures (in degrees Fahrenheit) of a random sample of 6 small towns are: 98.7 98.5 98.2 99.2 98 98.9 Assume high temperatures are normally distributed. Based on this data, find the 90% confidence interval of the mean high temperature of towns. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 90% C.I. = Answer should be obtained without any preliminary rounding. However,...

  • The high temperatures (in degrees Fahrenheit) of a random sample of 7 small towns are: 99.5...

    The high temperatures (in degrees Fahrenheit) of a random sample of 7 small towns are: 99.5 97.9 97 98.7 99.4 97.2 97.4 Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of the mean high temperature of towns. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place). 80% C.I. = ???? Answer should be obtained without any preliminary rounding....

  • Daily high temperatures in St. Louis for the last week were as​ follows: 95​, 94​, 95​,...

    Daily high temperatures in St. Louis for the last week were as​ follows: 95​, 94​, 95​, 95​, 95​, 90​, 90 ​(yesterday). ​a) The high temperature for today using a​ 3-day moving average ​= nothing degrees ​(round your response to one decimal​ place). ​b) The high temperature for today using a​ 2-day moving average ​= nothing degrees ​(round your response to one decimal​ place). ​c) The mean absolute deviation based on a​ 2-day moving average​ = nothing degrees ​(round your response...

  • Daily high temperatures in St. Louis for the last week were as​ follows: 95​, 92​, 93​,...

    Daily high temperatures in St. Louis for the last week were as​ follows: 95​, 92​, 93​, 95​, 95​, 86​, 95 ​(yesterday).​ a) The high temperature for today using a​ 3-day moving average ​=   ? degrees ​(round your response to one decimal​ place). ​b) The high temperature for today using a​ 2-day moving average ​= ? degrees ​(round your response to one decimal​ place).​ c) The mean absolute deviation based on a​ 2-day moving average​ = ? degrees ​(round your response...

  • Daily high temperatures in St. Louis for the last week were as follows: 92, 91, 94,...

    Daily high temperatures in St. Louis for the last week were as follows: 92, 91, 94, 94, 96, 86, 90 (yesterday). a) The high temperature for today using a 3-day moving average = 90.67 degrees (round your response to one decimal place) b) The high temperature for today using a 2-day moving average = 88 degrees (round your response to one decimal place). c) The mean absolute deviation based on a 2-day moving average = 3.2 degrees (round your response...

  • The high temperatures (in degrees Fahrenheit) of a randon sample of 10 small towns are: 96.7...

    The high temperatures (in degrees Fahrenheit) of a randon sample of 10 small towns are: 96.7 98.6 97.3 96.8 97.6 99.8 99.9 96.9 99.1 98.9 Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of the mean high temperature of towns Enter your answer as an open-interval (ie, parentheses) acurate to two decimal places (because the sample data are reported accurate to one decimal place). 80% c.1. Answer should be obtained without any preliminary...

  • The high temperatures (in degrees Fahrenheit) of a random sample of 9 small towns are: 98.2...

    The high temperatures (in degrees Fahrenheit) of a random sample of 9 small towns are: 98.2 97 98.8 96.8 97.8 99.2 99.6 96.6 97.3 Assume high temperatures are normally distributed. Based on this data, find the 80% confidence interval of the mean high temperature of towns. Enter your answer as an open-interval (i.e., parentheses) accurate to two decimal places (because the sample data are reported accurate to one decimal place).

  • The following table presents the daily high temperatures for the city of Macon, Georgia, in degrees...

    The following table presents the daily high temperatures for the city of Macon, Georgia, in degrees Farenheit, for the winter months of January and February in a recent year. If there are no leaves, enter "N." 67 58 56 74 56 58 65 63 77 53 73 57 51 56 48 68 51 66 64 53 78 61 55 69 56 63 61 71 51 66 67 58 63 52 75 52 60 70 71 62 58 52 61 65...

  • Daily high temperatures in St. Louis for the last week were as follows: 33, 33, 38,...

    Daily high temperatures in St. Louis for the last week were as follows: 33, 33, 38, 36, 43, 23, 28 (yesterday). Forecast the high temperature today, using a 3-day moving average. Forecast the high temperature today, using a 2-day moving average. For questions c-e use all the days where a 3-day forecast value is possible. Calculate the mean absolute deviation based on a 3-day moving average. Compute the mean squared error for the 3-day moving average. Calculate the mean absolute...

  • Chapter 4 Forecasting Homework Assignment Daily high temperatures in St. Louis for the last week were...

    Chapter 4 Forecasting Homework Assignment Daily high temperatures in St. Louis for the last week were as follows: 34, 36, 37, 39, 35, 32, and 36 (yesterday). Forecast the high temperature today, using a 3-day moving average.   Forecast the high temperature today, using a 2-day moving average.   For questions c-e use all the days where a 3-day forecast value is possible. Calculate the mean absolute deviation based on a 3-day moving average. Compute the mean squared error for the 3-day...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT