Use the accompanying table of z-scores and percentiles to find the percentage of data items in a normal distribution that lie between

z=1.0 and 2=2.3.

¹Click the icon to view the table of z-scores and percentiles.

The percentage of data items in a normal distribution that lie between z=1.0 and z=2.3 is

(Round to two decimal places as needed.)

1:z-Scores and Percentiles

-Seere Percentile

-4.0

0.003

-3.5

-3.0

-2.9

-2.8

-2.7

-2.6

-2.5

-2.4

-2.3

-2.2

-2.1

-2.0

-1.9

-1.8

-1.7

-1.6

Toldo

z-Scores and Percentiles

-1.5

-1.4

0.02

0.13

0.19

0.26

0.35

0.47

0.62

0.82

1.07

1.39

1.79

2.28

2.87

3.59

4.46

5.48

6.68

8.08

-13

9.68

-1.2

11.51

-1.1 13.57

-0.80

-0.75

-0.70

-Score Percentille t-Score Percentile -Score

-1.0

50.00

-0.95

-0.90

-0.85

-0.65

-0.60

15.87

17.11

18.41

19.77

-0.55

-0.50

-0.45

21.19

22.66

0.0

0.05

0.10

0.15

24.20

25.78

27.43

29.12

30.85

32.64

-0.40

34.46

-0.35

36.32

-0.30

38.21

40.13

-0.25

-0.20

42.07

-0.15

44.04

-0.10

46.02

-0.05

48.01

0.0

50.00

0.20

0.25

0.30

0.35

0.40

0.45

0.50

0.55

0.60

0.65

0.70

0.75

0.80

0.85

0.90

0.95

1.0

$1.99

53.98

55.96

57.93

59.87

61.79

11

65.54

67.36

69.15

70.88

72.57

74.22

75.80

77.34

78.81

80.23

81.59

82.89

84.13

HIE

12

13

14

15

16

17

18

1.9

2.0

2.1

7%.

Percentile

86.43

88.49

90.32

22

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

3.5

4.0

91.92

93.32

9452

9554

96.41

97.13

97.72

98.21

98.61

98.93

99.18

99.38

99.53

99.65

99.74

99.81

99.87

99.98

99.997