The accompanying data set contains two variables: x1 and x2. Observation x 1 x 2 1 0.46 4 2 0.41 1 3 0.96 4 4 0.48 2 5 0.79 3 6 0.7 0 2 7 0.14 3 8 3 9 0.49 3 10 0.84 2 11 0.9 0 3 12 0.04 1 13 0.19 3 14 0.06 2 15 0.23 2 ​ How many missing x1 observations are there?

Answer the following question in a FULL SENTENCE:  Was ist Elternzeit? 

What can be used in a data visualization to tell a story about the data?

A company collected the ages from a random sample of its middle managers. What would be the approximate shape of the relative frequency histogram for the following frequency distribution?   Bin Interval       Frequency 20 to 25            8 25 to 30            6 30 to 35            5 35 to 40            12 40 to 45            15 45 to 50            7  

Which of these is the only meaningful measure of the central location for a categorical variable?

The following strip chart displays individual tips a server receives categorized by meal time at a particular restaurant. Approximately what was the highest tip received at dinner time?

A tabular summary of the statistical measure of a variable of interest with respect to two or more (typically categorical) variables is called a(n) __________. 

The difference between the minimum and maximum observation of a variable is called the __________.

During exploratory data analysis of the single variable, Age of Best Actress Award Winners, the analysts created the following box plot. This variable has __________.

In a negative relationship, __________.