6th Grade Statistics

Statistical or Not

100

Is this a statistical question? How many students are wearing Jordan's in this class?

No.

200

Should a statistical question have a single answer?

Multiple Answers. Includes typical data

300

Is this a statistic question? What is the favorite sport of each Palmer student?

Yes

400

IS this a statistical question? Does the Watson Family watch TV?

no

500

Is this statstical? What is the average weight of 11th grade students in America?

no, it is one answer

Mean, Median, Mode

100

What is the mode? 1.06,9.3,59.59,6.01,25.17,1.06,6,1.06,0.7

1.06

200

What is the median? 93, 47, 37, 49, 25, 12, 13, 57

(37 + 47)/2 = 42

300

What is the median? 103, 2, 23, 156.5, 105.5, 145

104.25

400

Whats the mean? 1, 1, 2, 3, 4, 4, 5, 6, 7, 8

41/10 = 4.1

500

What is the average grade for a student who's grades are: 13, 27.3, 69, 69, 23, 97.

49.7

Range and IQR

100

what is the range 5 10 17 19 35.3 3 4 56 7 1.7

35.3 - 1.7 = 33.6

200

what is the median 33 4 5 6 10 15 17 18 19 21 29

17

300

what is the third quartile? 29 34 39 43 73 91 198

91

400

Whats quartile 3? 

35, 49, 53, 69, 69, 77, 84

77

500

Find the IQR of the data set. 30, 45, 46, 72, 78, 89, 99, 100, 100

Median = 78 q1 = 45.5 q2 = 99.5 iqr = 99.5-45.5 = 54

Displays

100

What fraction or percentage of data is in each of the 4 sections of a box and whisker plot.

25%

200

Can you find the mean using a Histogram?

no

300

If I have an outlier, which center of measure is better to describe the data, mean or median?

median

400

If I do not have an outlier, which is the better center of measure, mean or median?

mean

500

What are the measures of center that you can find or calculate by looking at a dot-plot?

Mean, Median, Mode, Range, IQR, you can find them all because you can order the numbers from least to greatest

Box and Whisker plots

100

Find the lower extreme (minimum)

 5 10 15 20 25

5

200

What is the upper extreme (maximum)

 5 10 15 20 25

25

300

What is the first quartile? 1 2 3 4 4 5 6

2

400

What is Quartile 2?

 1 2 3 4 5 6

3.5

500

What is the IQR of the data-set 4, 5, 6, 7, 8, 9, 10

4