Avoid inaccurate word
The data lead to
the assumption that x has no relationship to y.
If you base a
conclusion on data, then your conclusion is a deduction, not an assumption. In
fact, in experimental science assumptions are usually avoided. A purpose of
controls is to eliminate the need to assume anything.
The word 'data'
is plural.
However since
investigators usually refer to sets of data, there is a tendency to use the
word as though it was singular. Hence a writer will state, 'the data was
affected by the phase of the moon,' or 'the data suggests that phase of the
moon has no effect on mood.' As awkward as it may seem to you, the proper
phrases are, 'the data were affected...,' and 'the data suggest...'
By the way, the singular form is 'datum.'
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