Warm-up 2.2-2.3 Frequ. Distr. and Graphs

What is another name for the ogive?

• Histogram

• Frequency Polygon

• Cumulative frequency graph

• Pareto chart

What are the boundaries for 8 - 9?

• 8.5 - 9.5

• 7.5 - 9.5

• 8.55 - 9.55

• 8 - 9

Tags

CCSS.6.NS.B.3

In the construction of a frequency distribution, it is a good idea to have overlapping class limits, such as 10-20, 20-30, 30-40.

• True

• False

Tags

CCSS.6.SP.B.5

CCSS.6.SP.B.4

Use the given frequency distribution to find the

(a) class width

(b) midpoints of the first class

(c) boundaries of the first class

• (a) 3

  (b) 51

  (c) 50 - 52

• (a) 2

  (b) 51.5

  (c) 50 - 52

• (a) 3

  (b) 51

  (c) 49.5 - 52.5

• (a) 2

  (b) 51.5

  (c) 49.5 - 52.5

Tags

CCSS.6.SP.A.2

Use the ogive to approximate the number in the sample.

• 100

• 28

• 80

• 341

Tags

CCSS.HSN.VM.C.6

Identify the class with the highest relative frequency.

• 95 - 105

• 105 - 115

• 115 - 125

• 125 - 135

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.1

CCSS.6.SP.B.4

CCSS.6.SP.A.3

Use the frequency histogram to determine the number of classes.

• 5

• 6

• 7

• 8

Tags

CCSS.HSS.ID.A.1

Use the frequency polygon to identify the class with the greatest frequency.

• 20.5 - 23.5

• 29.5 - 32.5

• 35.5 - 38.5

Tags

CCSS.HSN.VM.C.6

In the given frequency distribution, what is the lower limit of the 3rd interval?

(a)  

A florist recorded the number and cost of flower bouquets that were sold daily and recorded the data below. What is the frequency of a bouquet that cost at least $40?

• 2
• 15
• 22
• 37

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.5

CCSS.6.SP.A.1