Question

madison recorded weather conditions for some major cities on the same day. here is some of the data she collected.
city name high temp. (degrees celsius) kind of precipitation average wind speed (kilometers per hour) severe weather alert?
detroit 26 rain 15 no
san francisco 20 none 17 no
new york 20 rain 6 yes
the individuals in this data set are: choose 1 answer:
a average wind speeds
b weather conditions
c cities
this data set contains: choose 1 answer:
a 4 variables, 1 of which is categorical
b 4 variables, 2 of which are categorical
c 3 variables, 1 of which is categorical
d 3 variables, 2 of which are categorical

Explanation:

1. In a data - set, individuals are the entities about which data is collected. Here, data is collected about different cities, so the individuals are cities.
2. The variables in the data - set are "High temp. (degrees Celsius)" (numerical), "Kind of precipitation" (categorical), "Average wind speed (kilometers per hour)" (numerical), and "Severe weather alert?" (categorical). So there are 4 variables, 2 of which are categorical.

Answer:

1. C. Cities
2. B. 4 variables, 2 of which are categorical