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Biblioteka

Mod. 14, 15, 16 Statistics and Probability

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Posljednje ažuriranje 5 months ago
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Pitanje 1
1.

Which questions are statistical questions?

Select ALL the questions that are statistical questions.

Pitanje 2
2.

Carin records the number of ribbons she wins at gymnastics meets during the year.

Pitanje 3
3.

Edgar records the high temperature in his town for 8 days.

What is the most common temperature? degrees Celsius.

What percent of the days have a temperature less than 7 degrees Celsius? %.

Pitanje 4
4.

The restaurant manager makes a list of how many minutes customers wait for their orders to arrive to their tables.

15, 18, 14, 22, 30, 14, 20, 17, 18, 25, 21, 32

PART A:

Complete the frequency table:

Minutes: Frequency:

10-14:

15-19:

20-24:

25-29:

30-34:

Pitanje 5
5.

PART B:

Complete the histogram to correctly represent the data from the frequency table in Part A.

Pitanje 6
6.

What is the median for this data set?

61, 48, 52, 65, 56, 77, 54

Pitanje 7
7.

Which term best describes 11 in the data set shown?

32, 29, 30, 35, 31, 34, 11

Pitanje 8
8.

The number of people that attended each of the sixth-grade volleyball games is recorded in the table.

What is the mode for this data set?

Pitanje 9
9.

Carlos surveys his friends about the amount of time they spend video chatting in one week.

Select "true" or "false" to show whether each statement is true or false.

True

False

There is one outlier, and it is 120 minutes.

The best measure of center is the mean.

The median for the data set is 75.

Pitanje 10
10.

Meg records the number of math problems she does each night on a dot plot.

What is the mean, median, mode, and range for the data set?

Mean: Median: Mode: Range:

Pitanje 11
11.

The number of kits in a sample of rabbit litters is shown in the box plot.

What is the median number of kits in a litter?

Pitanje 12
12.

Lamar records the high temperature in degrees Fahrenheit for his city over several days in the table below.

Fill in the numbers to complete the box plot:

High Temperatures

32 75

Pitanje 13
13.

The masses in grams of a sample of canaries are shown in the box plot.

What is the interquartile range for the masses? grams.

What is the range for the masses? grams.

Pitanje 14
14.

The dot plot represents a set of data below.

The mean of the data is .

The mean absolute deviation of the data is .

Pitanje 15
15.

The table shows the lengths of 5 pieces of ribbon that Gianna cut for an art project.

What is the mean length of the ribbons that Gianna cut? cm.

What is the mean absolute deviation (MAD) of the lengths of the ribbons? cm.