191
STATISTICS/ REGRESSION CALCULATIONS
for US
[01 pdfnorm(]
: Finds the probability density of a specified value x for the normal
distribution N(
µ
,
σ
2
)(cannot be input using lists).
Format: pdfnorm (value of x, mean, standard deviation) However, mean (
µ
) and
standard deviation (
σ
) may be omitted. (When omitted,
µ
=0 and
σ
=1
.)
<Example 1>
Find the normal distribution probability density for x = 65 when the normal distribution of
test scores averages 60, with a standard deviation of 6.
Key operation:
F
0
1
65
,
60
,
6
) ®
[02 cdfnorm(]
: Calculates the normal distribution probability of a specified range x for
normal distribution N (
µ
,
σ
2
)(cannot be entered using lists).
Format: cdfnorm (lower value, upper value, mean, standard deviation) However the
mean and standard deviation may be omitted. (When omitted,
µ
=0 and
σ
=1
.)
<Example 2>
Calculate the probability of range “x = 54 to 66” in example 1.
Key operation:
F
0
2
54
,
66
,
60
,
6
)
®
[03 InvNorm (]
: Finds the value of x of a given normal distribution probability (cannot
be entered using lists).
Format: InvNorm (probability, mean, standard deviation) However, the mean and
standard deviation may be omitted. (When omitted,
µ
=0 and
σ
=1
.)
,
,
,
,
,
EL-9650-(07)En (178-196)
8/1/00, 9:08 AM
191
Summary of Contents for EL-9650
Page 10: ...viii ...
Page 46: ...36 CHAPTER 1 ...
Page 230: ...220 CHAPTER 9 ...
Page 268: ...258 CHAPTER 12 ...
Page 349: ...339 APPENDIX When coordinate system is Rect param or polar ...
Page 350: ...340 APPENDIX When coordinate system is Seq F STYLE2 E STYLE1 ...
Page 352: ...342 APPENDIX ...
Page 353: ...343 APPENDIX on Program screen ...
Page 354: ...344 APPENDIX ...
Page 355: ...345 APPENDIX ...
Page 356: ...346 APPENDIX ...
Page 357: ...347 APPENDIX ...
Page 358: ...348 APPENDIX ...