- example
`tbl = mauchly(rm)`

`tbl = mauchly(rm,C)`

returns
the result of the Mauchly's test for sphericity for the repeated
measures model `tbl`

= mauchly(`rm`

)`rm`

.

It tests the null hypothesis that the sphericity assumption
is true for the response variables in `rm`

.

For more information, see Mauchly's Test of Sphericity.

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