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QNT 351 WEEK 2 Probability Worksheet

QNT 351 WEEK 2 Probability Worksheet

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Tutorial

QNT 351 WEEK 2 Probability Worksheet

 

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QNT 351 WEEK 2 Probability Worksheet

Search the Internet for U.S. climate data.

Choose the city in which you live.

Click on the tab that reads “Daily.”

Prepare a spreadsheet with three columns:  Date High Temperature and Low Temperature.  List the past 60 days for which data is available.

Prepare a histogram for the data on high temperatures and comment on the shape of the distribution as observed from these graphs.

Calculate  and S.

What percentage of the high temperatures are within the interval   – S to  + S?

What percentage of the high temperatures are within the interval   – 2S to  + 2S?

How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)?

Repeat Parts 2 to 6 for the minimum temperatures on your spreadsheet.

Would you conclude that the two distributions are normally distributed?  Why or why not?

QNT 351 WEEK 2 Probability Worksheet

QNT 351 WEEK 2 Probability Worksheet

QNT 351 WEEK 2 Probability Worksheet

QNT 351 WEEK 2 Probability Worksheet

Search the Internet for U.S. climate data.

Choose the city in which you live.

Click on the tab that reads “Daily.”

Prepare a spreadsheet with three columns:  Date High Temperature and Low Temperature.  List the past 60 days for which data is available.

Prepare a histogram for the data on high temperatures and comment on the shape of the distribution as observed from these graphs.

Calculate  and S.

What percentage of the high temperatures are within the interval   – S to  + S?

What percentage of the high temperatures are within the interval   – 2S to  + 2S?

How do these percentages compare to the corresponding percentages for a normal distribution (68.26% and 95.44%, respectively)?

Repeat Parts 2 to 6 for the minimum temperatures on your spreadsheet.

Would you conclude that the two distributions are normally distributed?  Why or why not?

QNT 351 WEEK 2 Probability Worksheet

QNT 351 WEEK 2 Probability Worksheet