Teacher Maria is perforpance varie te aching years, it extreme uass Sta She thinks that variance OF Class (100 Savared POW what are the

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what is the ho and ha in words?
10:55
Teacher Maria is interested in kno wing iF student
varies sighuFicantly. In her pre vioUS
performance
te aching years, it is
extreme
Common to
encounter some
lass standings and dispourities in the roores.
She thinks that it's not the case
now and the
variance
OF lass standing is less than the usual
( 100 savared points.)
what are the
Ho and Ha ?
Transcribed Image Text:10:55 Teacher Maria is interested in kno wing iF student varies sighuFicantly. In her pre vioUS performance te aching years, it is extreme Common to encounter some lass standings and dispourities in the roores. She thinks that it's not the case now and the variance OF lass standing is less than the usual ( 100 savared points.) what are the Ho and Ha ?
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