The followlng national weather report gives the temperatures and weather conditions on the prevlous day In cltles across the natlon. City HI Lo Condition Albany, N.Y. 87 62 cloudy Chicago 91 66 clear Dallas-Ft. Worth 88 74 cloudy Denver 74 56 clear Hartford 87 63 cloudy Honolulu 85 72 clear Kansas City 92 76 clear Los Angeles 79 64 cloudy Nashville 93 74 rain New York City 89 71 rain Philadelphia 89 69 rain (a) How many elements are in this data set? (b) How many variables are in this data set? (c) How many observations are there in the above data set? (d) Which variables are categorical? (Select all that apply.) O hi O lo O condition

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