# Statistical Calculation Example; Distribution Calculations - Canon X Mark I Pro User Instruction

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STAT
sub-menu STAT Type
Reg
For
Regression coefficient A
non-Quad
Regression coefficient B
Reg
Correlation coefficient r
Estimated value of x
Estimated value of y
Reg
For Quad
Regression coefficient A
Reg only
Regression coefficient B
Regression coefficient C
Estimated value of x1
Estimated value of x2
Estimated value of y

## Statistical Calculation Example

SD type Statistical calculation Example:
To calculate ∑x
, ∑x, n, x, x
2
85, 90, 77, 79 in SD mode (Freq: OFF) ......
Quadratic Regression type Statistical Calculation Example:
ABC Company investigate the effectiveness of the advertisement
expense in coded units, the following data was obtained:
Advertisement expenses: X
Effectiveness: y (%)
Value
Symbol
Operation
A
B
r
x
y
A
B
C
x1
x2
y
, x
, minX, maxX of data: 75,
n
n-1
EX #41
18
35
40
21
38
54
59
40
Please use the regression to estimate the effectiveness
(estimate the value of y) if the advertisement expenses X=30,
and estimate the advertisement expenses level (estimate the
value of X
, X
) for effectiveness y = 50. ......
1
2

### Distribution Calculations

After sample data is entered in either Statistic (SD) or Regression
(REG) mode, you can perform the normal distribution or
probability distribution calculation such as P(t), Q(t) and R(t) in
which t is the variate of the probabilistic experiment.
Press
Press
,
19
38
18
EX #42
Random variable
Mean of sample
Standard deviation
to display the distribution calculations screen.
1: P(
2: Q(
3: R(
4:
t
,
or
for the corresponding calculations.

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