1.2

Question 1

What does the prefix mili- mean

Answer 1

1/1000 of a unit

Question 2

Convert the following:
23 kg -> __ g

Answer 2

23,000 grams

Question 3

Explain the difference between mass and volume.

Answer 3

Mass is the amount of weight that an object weighs in a given atmosphere. Volume is the amount of space an object takes up. This doesn’t change no matter where you are in the solar system.

Question 4

What is the average/mean for this set of numbers?
35, 65, 75, 86, 94

Answer 4

71

Question 5

What is the median for this set of numbers?
35, 65, 75, 86, 94

Answer 5

75

Question 6

Where do the independent and dependent variables go in a graph?

Answer 6

independent - x axis
dependent - y axis

Question 7

Explain what standard deviation is and how you find it.

Answer 7

Standard deviation is the measure of variation from the mean. To find it, you have to square the differences of each value from the mean. Then you add the squared values up and then divide by the number of values. Then you square the quotient and that is the standard deviation.

Question 7

What type of data is QUANTITATIVE data?

Answer 7

An observation that is referring or using numbers or values

Question 8

What is the base unit for measuring volume?

Answer 8

Liters

Question 9

What is the median in a data set?

Answer 9

The median is the middle value or average of the middle values when the data set is in numerical order.

Question 10

For what situation might you see a direct trend in a graph?

Answer 10

The relation between the number of students in a school and the number of lunches they sell every day.