64
“ANS” FOR 2-VARIABLE STATISTICS
In addition to the 1-variable statistic keys, the following keys have been added for
calculating 2-variable statistics.
NOTE:
The codes for basic statistical quantities of sample data x and their meanings
are the same as those for single-variable statistical calculations.
Let’ s check the results based on the previous data.
= 8 (Total count of data)
= 7.175 (Average for data x)
= 0.973579551 (Standard deviation for data x)
= 0.91070028 (Standard deviation of the population for data x)
= 57.4 (Sum of data x)
= 418.48 (Sum of data x raised to the second power)
= 9.875 (Average for data y)
= 3.44082631 (Standard deviation for data y)
= 3.2185983 (Standard deviation of the population for data y)
= 79 (Sum of data y)
= 863 (Sum of data y raised to the second power)
= 544.1 (Sum of the product of data x and data y)
Operation Display
DATA
(Close the input table.)
S TAT
Calculates Statistical values.
For examples,
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