| City | Temperature (°F) | | :--- | :--- | | Winnipeg | -17 | | Dayton | 48 | | Nome | -25 | | Buffalo | -9 | | Orlando | 67 | (a) By noon, the temperature in Buffalo had risen by 15 °F. What was the temperature there at noon? 6 °F (b) How much lower was the 6 a.m. temperature in Nome than in Orlando? °F lower
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The correct table should look like this: \begin{tabular}{|c|c|} \hline City & Temperature \\ \hline Winnipeg & -17 \\ \hline Dayton & 45 \\ \hline Nome & -25 \\ \hline Buffalo & -9 \\ \hline Orlando & 67 \\ \hline \end{tabular} Show more…
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These temperatures are measured at various locations during the same day in the winter in North America: $-10^{\circ} \mathrm{C}$ at Montreal, $28^{\circ} \mathrm{F}$ at Chicago, $20^{\circ} \mathrm{C}$ at Charlotte, and $40^{\circ} \mathrm{F}$ at Philadelphia. Which city is the warmest? Which city is the coldest?
The daily high and low temperatures for 12 U.S. cities are as follows (Weather Channel, January 25,2004 ). $$\begin{array}{lccccc} \text { City } & \text { High } & \text { Low } & \text { City } & \text { High } & \text { Low } \\ \text { Albany } & 9 & -8 & \text { Los Angeles } & 62 & 47 \\ \text { Boise } & 32 & 26 & \text { New Orleans } & 71 & 55 \\ \text { Cleveland } & 21 & 19 & \text { Portland } & 43 & 36 \\ \text { Denver } & 37 & 10 & \text { Providence } & 18 & 8 \\ \text { Des Moines } & 24 & 16 & \text { Raleigh } & 28 & 24 \\ \text { Detroit } & 20 & 17 & \text { Tulsa } & 55 & 38 \end{array}$$ a. What is the sample mean daily high temperature? b. What is the sample mean daily low temperature? c. What is the correlation between the high and low temperatures?
The histograms below were created from data on the daily high temperature in San Jose and Denver during a winter month. Compare the two distributions. Which city do you think has the higher typical temperature? Which city has more variation in temperature? Explain. (Source: Accuweather.com)
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