Variability and Outliers
WHAT IS THE RANGE OF A DATA SET?
Maximum - Minimum
or
Greatest - Least
WHAT MEASURE OF CENTER IS FOUND BY ADDING ALL VALUES AND DIVIDING BY THE NUMBER OF VALUES?
Mean
NAME TWO TYPES OF GRAPHS USED TO DISPLAY DISTRIBUTIONS
Histograms, Box Plots, and Dot Plots
When you use this type of card, money is taken out of your bank account immediately.
Debit Card
FIND THE RANGE OF:
5, 9, 12, 3, 7.
9
EXPLAIN HOW TO FIND THE MODE OF A DATA SET AND GIVE THE MODE OF 2, 4, 4, 6, 6, 6, 9
6
WHAT DOES A HISTOGRAM SHOW ABOUT DATA?
How frequently data falls into specified intervals
This is the term for borrowing money (a loan) from a bank to buy things now and pay for them later, usually with interest.
Credit Card
DEFINE AN OUTLIER IN A DATA SET.
A value/number much higher or lower than the rest of the data.
OR
A value/number far away from the other data/numbers
WHAT IS THE MEDIAN OF THE NUMBERS: 7, 3, 9, 5, 11, 13?
8
A HISTOGRAM HAS CATEGORIES SHOWING THEIR FREQUENCIES: 0–2 (1), 3–5 (4), 6–8 (6), 9–11 (3). WHAT DOES THE (6) MEAN IN THE CATEGORY OF 6-8?
That category 6-8 has 6 frequencies
This is a fixed amount of money a person makes in a year from their job.
Annual Salary
A SET OF TEST SCORES IS:
56, 59, 61, 62, 95. IDENTIFY ANY OUTLIER(S)
95 because it is higher than the other numbers and more separated
FIND THE MEAN OF THE DATA SET: 8, 12, 10, 14, 6
10
WHAT IS A BOX PLOT USED TO DISPLAY?
Minimum, Q1, Median (Q2), Q3, and Maximum
The action of putting money into your account is called what?
Deposit (Add)
FOR THE ORDERED DATA SET
3, 5, 7, 9, 11, 13, 15, FIND THE IQR.
IQR= 8
A CLASS RECORDED HOW MANY BOOKS EACH STUDENT READ: 2, 3, 3, 4, 8, 10, 12. CALCULATE THE MEAN AND MEDIAN
Mean- 6
Median- 4
In a box plot, which value is found by calculating the median of the 2nd half of the data?
The Upper Quartile (or Q3)
The action of taking out money from your account is called what?
Withdrawal (Subtract)