Quantitative variables

Question 1

Simplest way to visualize quantitative variables

Answer 1

Dot plot

Question 2

All the digits of the number but the last

Answer 2

The stem

Question 3

The final digit

Answer 3

Leaf

Question 4

Most common way to graph a quantitative variable?

Answer 4

Histogram

Question 5

Range of data is divided into consecutive, non overlapping intervals called bins

Answer 5

Histogram

Question 6

Can the bars in a histogram touch and be re arranged?

Answer 6

No

Question 7

What does the height over bin indicate in a histogram?

Answer 7

The # of measurements within that interval

Question 8

The histograms ———- variable can be described in terms of shape?

Answer 8

Categoricals

Question 9

of peaks in a data set

Answer 9

Modality

Question 10

The distribution is approximately mirrored across a central line of symmetry

Answer 10

Symmetric

Question 11

Left tail if distribution’s stretched out

Answer 11

Skewed left

Question 12

Right tail is stretched out

Answer 12

Skewed right

Question 13

Most data takes a high value with a few low values
Bottom half of data is spread out

Answer 13

Skewed left

Question 14

Most values will be low with some high values
Top of date is more spread out

Answer 14

Skewed right