Chapter 17 - Math Review & Statistics Flashcards Preview

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Flashcards in Chapter 17 - Math Review & Statistics Deck (21)
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1
Q

You bought a property 2 years ago for $400,000. You sold it today for $376,000. What was your average percent of loss per year?

A

400,000 ENTER

376,000 △%

=-6%

6% / 2 = 3%

2
Q

6.7% is the same as

  • 6.70
  • .67
  • .067
  • .0067
A

.067

3
Q

What is 16.9% of 112,456.25?

A
  1. 25 ENTER
  2. 9 %

= 19,005.11

4
Q

35% of the houses in a neighborhood are split levels and 24% are ranches. There are a total of 325 houses. How many are ranches?

A

325 ENTER

24 %

=78

5
Q

The median price of homes sold in your county six months ago was $209,000. Prices have been increasing at the rate of 8% per year. What is the median price of homes today?

A

209000 ENTER

4 %

= $217,360

6
Q

You borrow $144,000 for 30 years and the interest rate is 6.2%. The lender requires you to pay 1.5 points at the closing. How much do you have to pay for the points?

A

144000 ENTER

1.5 %

= $2,160

7
Q

Statistics is defined as

A

A body of principles and methods concerned with extracting useful information from numerical data.”

8
Q
  • A body of principles and methods concerned with extracting useful information from numerical data.”*
  • is definition of _______*
A

Statistics

9
Q

Inferential statistics is defined as

A

“The process of drawing conclusions about population characteristics through analysis of sample data.”

10
Q

“The process of drawing conclusions about population characteristics through analysis of sample data.”

is definition of ________

A

Inferential statistics

11
Q

Mean is defined as

A

“A measure of central tendency. The sum of values for a variable in a sample or population divided by the number of items in the sample or population. The arithmetic average.”

12
Q

“A measure of central tendency. The sum of values for a variable in a sample or population divided by the number of items in the sample or population. The arithmetic average.”

is definition of ______

A

Mean

13
Q

Median is defined as

A

“A measure of central tendency identified as the middle value in an ordered array of numerical values, e.g., 7 is the median of (1,4, 6, 6, 7, 9, 11, 22, 41). If the ordered array contains an even number of values, then the median is the mean of the two values on either side of the middle.”

14
Q

“A measure of central tendency identified as the middle value in an ordered array of numerical values”

is definition of _________

A

Median

e.g., 7 is the median of (1,4, 6, 6, 7, 9, 11, 22, 41). If the ordered array contains an even number of values, then the median is the mean of the two values on either side of the middle.

15
Q

Mode is defined as

A

“A measure of central tendency consisting of the numerical value or categorical characteristic that occurs most frequently in a sample or population. For example, the mode of the data set (2, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 10, 12) is 8, and the mode of (poor, poor, below average, average, average, average, average, good, good, excellent) is average.

16
Q

“A measure of central tendency consisting of the numerical value or categorical characteristic that occurs most frequently in a sample or population.”

is definition of _________

A

Mode

17
Q

In the following set of numbers (18, 26, 29, 18, 44) what is the median?

A

26

18
Q

What is the mode of the following set of numbers (57, 90, 70, 68, 61, 62)?

A

there is no mode

19
Q

What is the median of the following set of numbers (57, 90, 70, 68, 61, 62)?

A

65

20
Q

In the following set of numbers (18, 26, 29, 18, 44) what is the mode?

A

18

21
Q

In the following set of numbers (18, 26, 29, 18, 44) what is the mean?

A

27

yellow-f SST (to clear memory)

18 Σ+ (display shows 1.0)

26 Σ+ (display shows 2.0)

29 Σ+ (display shows 3.0)

18 Σ+ (display shows 4.0)

44 Σ+ (display shows 5.0)

Blue-g 0 (with x on it)