Week 2 Applications, Word Problems, TI-84

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Last updated 11:48 PM on 7/17/26
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59 Terms

1
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Best graph for grouped numerical data

Histogram

2
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Best graph for categories

Pie chart

3
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Best graph for showing outliers

Box plot

4
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Best graph for spread and center

Box plot

5
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Graph with touching bars

Histogram

6
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Graph with separate categories

Pie chart

7
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Graph with five number summary

Box plot

8
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Find average of data

Mean

9
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Find middle value

Median

10
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Find most common value

Mode

11
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Find largest minus smallest

Range

12
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Find average distance from mean

standard deviation

13
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Data has extreme outliers

Use median

14
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Data has no outliers

Use mean

15
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Every student in a school surveyed

Population

16
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50 students from school surveyed

Sample

17
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Entire group studied

Population

18
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Smaller group selected

Sample

19
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Population mean symbol

μ

20
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Sample mean symbol

x̄

21
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Population standard deviation symbol

σ

22
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Sample standard deviation symbol

s

23
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Population data standard deviation

σ

24
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Sample data standard deviation

s

25
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Small standard deviation means

Values close to mean

26
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Large standard deviation means

Values spread out

27
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Bell shaped data within 1 standard deviation

68%

28
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Bell shaped data within 2 standard deviations

95%

29
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Bell shaped data within 3 standard deviations

99.7%

30
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Empirical Rule cannot be used for

Non normal distributions

31
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Find distance between Q1 and Q3

IQR

32
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Find lower outlier boundary

Q1 − 1.5 * IQR

33
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Find upper outlier boundary

Q3 + 1.5 * IQR

34
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Value below lower fence

Low outlier

35
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Value above upper fence

High outlier

36
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Two peaks in data

Bimodal

37
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Tail extends left

Left skewed

38
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Tail extends right

Right skewed

39
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Equal spread on both sides

Symmetric

40
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Bell shaped curve

Normal

41
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Equal height bars

Uniform

42
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Enter data into list

STAT → EDIT → L1

43
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Access lists

STAT → EDIT

44
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Clear list

Highlight L1 → CLEAR → ENTER

45
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Find statistics

STAT → CALC → 1-Var Stats

46
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Find mean

1-Var Stats → x̄

47
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Find median

1-Var Stats → Med

48
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Find population standard deviation

1-Var Stats → σx

49
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Find sample standard deviation

1-Var Stats → Sx

50
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Find minimum

1-Var Stats → minX

51
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Find Q1

1-Var Stats → Q1

52
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Find Q3

1-Var Stats → Q3

53
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Find maximum

1-Var Stats → maxX

54
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Find five number summary

minX Q1 Med Q3 maxX

55
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Turn on plot

2nd → Y= → Plot1 → ENTER

56
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Choose box plot

Select box plot icon

57
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Choose data list

Xlist → L1

58
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Graph box plot

ZOOM → 9 ZoomStat

59
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Box plot displays

Minimum Q1 Median Q3 Maximum