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
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?
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