Statistics using graphs

Above is a Stem and Leaf plot of Addisyn's different test scores. How many test scores are shown in this?

Above is a Stem and Leaf plot of Addisyn's different test scores. What is the range of her test scores?

Above is a Stem and Leaf plot of Addisyn's different test scores. What is the mode of this set of data?

Above is a Stem and Leaf plot of Addisyn's different test scores. What is the mean of Addisyn's test scores rounded to the nearest whole number?

(a)  

Above is a bar graph. Check all the boxes that this data COULD represent.

The bar graph above shows the length of time, in minutes, that Ms. Lockrem takes a nap each day from Monday-Friday. About how long is the longest amount of time Ms. Lockrem takes a nap? (Answer needs to be in minutes)

The line plot, sometimes called dot plot, shows the amount of cousins each student has in their family. How many students were surveyed for this set of data?

(a)  

The line plot above represents that amount of cousins each student has in their family. What is the mode of this data?

(a)  

The line plot above represents that amount of cousins each student has in their family. What percentage of the data have AT LEAST 6 or more cousins in their family? Round your answer to the nearest whole number.
HINT:   $\frac{Part}{Whole}=\frac{Percent}{100}$  

(a)  

The dot plot above shows the height of 15 softball players. What percentage of the players are shorter than 5'2? Round your answer to the nearest whole number.