Alli and her classmates want to know which species of oak produces the acorns that squirrels prefer. Which possible procedure is likely to produce the most reliable results? For one day, observe and record the number of squirrels that gather acorns from each species of oak. For three days, observe and record the number of squirrels that gather acorns from each species of oak. For five days, observe and record the number of squirrels that gather acorns from each species of oak. For seven days, observe and record the number of squirrels that gather acorns from each species of oak.