This variable represents the outcome of the response.
What is a response variable?
# Of credit hours frequency
1 to 3 2
4 to 6 6
7 to 9 10
10 to 12 27
13 to 15 41
16 to 18 14
19 to 21 2
The percentage of students who take at least 13 credit hours is (round to 0 decimal places) ...
What is 56%?
r will always fall in between these two numbers.
What are -1 and 1?
This is the Excel function used to solve for the minimum value.
What is "=MIN ()"?
The median is resistant to outliers and the mean ___ resistant to outliers.
What is "is not" resistant outliers?
This variable can also be referred to as an independent variable.
What is an explanatory variable?
# of cups of coffee per day frequency
0 13
1 45
2 25
3 15
4 4
The median number of cups of coffee drank is (round 2 decimal places and use Excel) ...
What is 1.53 cups of coffee (=SUMPRODUCT (x-values, y-values)/SUM(y-values)?
r = ___ when there is a perfect linear relationship.
What is r = 1 or r = -1?
This is the Excel function that helps us find the sample variance.
What is "=Var.S ()"?
Distribution: 5,5,5,7,8,2,1,0,3
The mean is... (you need to tell me what Excel function to use to get credit).
What is 4 (use the function, =AVERAGE ())?
These are the 3 potential direction relationships in a scatterplot.
What is a positive, negative, or neither positive nor negative relationship?
Find the mean, median, and mode of the distribution: 7, 8, 2, 3, 1, 9, 6, 4, 2, 1
This is the Excel function used to calculate the correlation of a data set.
What is "=CORREL (DATA x, DATA y)"?
This is the step-by-step process to find the IQR in Excel (you need to solve for 3 Excel functions):
What is Q1 (quartile.INC (data array, 1), Q3 (=quartile.INC (data array, 3), and IQR (=quartile.INC (data array, 3) - quartile.INC (data array, 1))?