frequency & histograms cc- 33 objective: to make and interpret frequency tables and histograms....
TRANSCRIPT
![Page 1: Frequency & histograms cc- 33 OBJECTIVE: TO MAKE AND INTERPRET FREQUENCY TABLES AND HISTOGRAMS. ANDRE TAPANES AMANDA DANIELA PARADA KEVIN](https://reader035.vdocuments.net/reader035/viewer/2022062421/56649d6f5503460f94a502bb/html5/thumbnails/1.jpg)
Frequency & histograms cc-33OBJECTIVE: TO MAKE AND INTERPRET FREQUENCY TABLES AND HISTOGRAMS.
ANDRE TAPANES
AMANDA
DANIELA PARADA
KEVIN
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VOCABULARY:
• FREQUENCY: THE NUMBER OF DATA VALUES IN AN INTERVAL.(HOW MANY TIMES THAT NUMBER APPEARS IN THAT RANGE OF NUMBERS)
• FREQUENCY TABLE: GROUPS A SET OF DATA VALUES INTO INTERVALS AND SHOWS THE FREQUENCY FOR EACH INTERVAL.
• HISTOGRAM: IS A GRAPH THAT CAN DISPLAY DATA FROM A FREQUENCY TABLE
• CUMALATIVE FREQUENCY TABLE: SHOWS A NUMBER OF DATA VALUES THAT LIE IN OR BELOW A GIVEN INTERVAL
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NOTES:
• WHEN YOU’RE MAKING A FREQUENCY TABLE YOURE BASICALLY JUST GETTING THE NUMBERS THAT FALL INTO THE RANGE YOU CHOOSE(OR THAT WAS GIVEN TO YOU)
• EX: 150, 126, 139, 144, 125, 149, 133, 140, 142, 149, 150, 127, 130• STEP 1: ORDER THEM IN NUMERICAL ORDER.
125, 126,127, 130, 133, 139, 140, 142, 144, 149, 149, 150, 150.
• STEP 2: SET A RANGE OF NUMBERS TO ORDER
125-134 ; 135-144 ; 145- 154
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NOTES:
125, 126,127, 130, 133, 139, 140, 142, 144, 149, 149, 150, 150.
STEP 3: MAKE THE CHART
• STEP 4: FILL IN THE BLANKS ACCORDING TO THE NUMBERS
RANGE FREQUENCY
125-134
135-144
145-154
RANGE FREQUENCY
125-134 5
135-144 4
145-154 4
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Histogram Notes:
• KNOW- A set of data values.
• NEED- A histogram of the data values.
• PLAN- Make a frequency table. This will help you construct the histogram.
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Practice:
• 1. The quiz scores earned by 20 students are listed below. What is a frequency table that represents the data?
9,8,5,8,10,3,6,7,6,7,8,10,8,5,7,9,7,8,4,9
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Answer:
SCORE FREQUENCY
1-2 0
3-4 2
5-6 4
7-8 9
9-10 5
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INTERACTIVE PROBLEMS:
• 1. 135, 211, 220, 180, 175, 161, 246, 201, 192, 167, 235, 208
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NEW ACTIVITY
• 108, 90, 96, 150, 120, 115, 135, 126, 165, 155, 130, 125, 100
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GRAPH THIS!
• 150, 126, 139, 144, 125, 149, 133, 140, 142, 149, 150, 127, 130