Statistics Probability

The following M & M colors are in the bowl:
4 yellow, 6 orange, 3 green, 5 blue, 2 brown
What is the probability of selecting a brown candy?

• 2/18

• 1/9

• 2/20

• 1/10

At a middle school, the 7th graders will conduct a survey for where to go on a field trip. Which method will result in the least biased decision?

• to randomly ask 8th grade students who went on a field trip last year

• to randomly choose some 7th grade students to select a location

• to ask all 7th grade teachers and administrators for a location

• to ask the student council to choose a location

What is the range of the dot plot?

• 9

• 5

• 4

• 6

How many more people 19 and under are in the French club than the Spanish club?

• 1

• 3

• 2

• 4

What is the mean of the following set of numbers: 4, 8, 12, 16, 20?

Mathematical Equivalence

ON

What is the mean of the following list of numbers?

• 9

• 10

• 11.5

• 12.5

What is the median of the following list of numbers?

• 9

• 11

• 10

• 12

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2

• 2.8

• 1.2

• 4.2

What is the probability you spin an odd number and not yellow?

• 5/18

• 1/9

• 1/3

• 4/9

Harry spins this spinner. Describe an event that is unlikely to happen, but not impossible.

• Spinning an odd number

• Spinning a multiple of 3

• Spinning a number greater than 5

• Spinning an even number

• Spinning a number less than 20