Stats review

How many people have two or less books in their desk?

• 4
• 5
• 6
• 7

What is the highest score in the class?

• 88%
• 100%
• 13
• 98%

How many students scored 93% or less?

• 6
• 16
• 14
• 13

For a data containing 15 items arranged in ascending order, what item is the median of the data

• 7th item
• 8th item
• 6th and 7th item 
• 7th and 8th item

• 21
• 10
• 16
• 76

Calculate the MEAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

Calculate the MEDIAN for the data set: 6, 7, 12, 8, 7, 4, 8, 8, 7

• 7

• 7.44

• 8

• 7 and 8

Calculate the relative frequency of having an IQ score in the 131-140 range. (200 7th graders were surveyed).

• 8%

• 4%

• 20%

• 15.5%

The POPULATION in statistics is best described by...

• a collection, or set, of individuals, objects, or events whose properties are to be analyzed

• the total number of people that live in a particular city

• the incomplete collection of individuals or objects that are of interest to the sample collector

• a collection of people that are being analyzed for membership on a list of particular elements to be studied

A finite population is one that...

• can be physically listed

• the membership in the population is unlimited

• ends abruptly due to a catastrophy

• ends abruptly due to natural causes, such as a flood or the ice age