Monday, February 10th

4, 5, 4, 6, 1,

1. What is the MODE?2. What is the IQR?

EOCT WEEK 4-#1

Which statement is false for the function

y = 2x + 1?a. It has no maximum or minimumb. It is always decreasing.c. It is positive and negative.d. It has a constant rate of change.

A LOOK AHEAD Monday: Box and Whiskers Day 1 Tuesday: Box and Whiskers Day 2 Wednesday: Dot Plots and Histograms Thursday: Review Friday: Test #2-Statistics

Part 1

FRIENDLY REMINDERS All Missing work may be turned in late for

half credit (50%) for this unit BY THIS FRIDAY! When you are absent, it is your responsibility

to check website or with us about what you missed

If you are gone on the day before a quiz or test you are still responsible to take the quiz or test

If you want to retake Test #1-Characteristics, it needs to be done BY THIS FRIDAY!!!!

Check tutoring schedule

QUIZ ANSWERS 4 pts each

Box &

Whiskers

WHAT VOCAB DO YOU REMEMBER?!

BOX PLOT (BOX & WHISKER)

A plot showing the minimum, maximum, first quartile, median, and third quartile of a data set; the middle 50% of the data is indicated by a box.

Example:

IMPORTANT Every section

represents 25% of the data

Min to Q1=25%Q1-Median=25%Median-Q3=25%Q3-Max=25%

STEP 1: FIND MEDIANThe middle-most value of a data set; 50% of the data is less than this value, and 50% is greater than it

Example:

STEP 2: FIND FIRST QUARTILEThe value that identifies the lower 25% of the

data; the median of the lower half of the data set; written as

Example: 1Q

STEP 3: FIND THIRD QUARTILEValue that identifies the upper 25% of the

data; the median of the upper half of the data set; 75% of all data is less than this value; written as

Example: 3Q

2, 3, 5, 7, 8, 10, 14, 18, 19, 21, 25, 28

12 206

STEP 4: MAX AND MIN This WHISKERS!!!

MAKING A BOX AND WHISKER Create a box plot for the following data.

Label the important measures Total Points in Atlanta Hawks Games

67, 52, 54, 57, 61, 56, 61, 69, 63, 57, 60, 50

EXAMPLE 1 1. What percent of the golf scores are over 88?2. What percent of golf scores are under 93?3. What is the range of the middle 50% of the data?4. What is the range of the data?5. What was the highest golf score?6. Describe the shape.

78 81 84 87 90 93 96 99 102 105 108 111 114 117 120 123 126

Golf Scores

EXAMPLE 2 1. Who has a higher median? 2. Who has a lower range?3. Who studies more on average?4. Which graph is more skewed to the right?

60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220

Comparing Men and Women Study Habits and Attitudes

Women

Men

CLASSWORK/HOMEWORK 1. Complete “ticket to Go”- 2

pts Extra Credit towards Quiz for each question correct

2. Complete Homework