58% A group of students were given a spelling test.
The table shows their marks.
Mark
Frequency
6
5
4
a) Work out the range of the marks.
7
8
7
b) How many students are in the group?
9
10
10
4
c) Work out the mean mark of the group.
what is the mean

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)