On the AP exam, if you were asked to choose the best fertilizer, which would you choose and why?
Growfast, because it more consistently produces taller plants
20
What is the median time for the 100-meter sprint? (There are 19 values)
10.4 seconds
10
Excluding the possible outlier, what is the shape of the distribution?
Approximately symmetric
10
How do you calculate if there are outliers?
Q1 - 1.5 IQR, Q3 + 1.5 IQR - any values outside of that range are outliers
20
Sally surveyed her classmates about their diets. She collected their names, ages, the number of sodas drank per day, the number of glasses of water drank per day, and their gender, How many variables did she collect?
5
10
Sally surveyed her classmates about their diets. She collected their names, ages, the number of sodas drank per day, the number of glasses of water drank per day, and their gender, How many quantitative variables did she collect?
3
10
Sally surveyed her classmates about their diets. She collected their names, ages, the number of sodas drank per day, the number of glasses of water drank per day, and their gender, How many categorical variables did she collect?
2
10
What percent of SUV owners are male?
About 13%
15
What percent of females are SUV owners?
75%
15
What percent of survey participants own sports cars?
35%
15
With 2-way tables,
If I take the total for a category and divide it by the total of the table...
Is this a part of a marginal or conditional distribution?