nother popular and more general way to formulate the chi-square statistic is in terms of observed and expected cell counts. The observed counts are what you actually observed in the study. The expected cell counts are what you would expect for the count in a cell if the null hypothesis were true. Question 4. To find out how many children we expect to be in the (darkness, nearsighted) cell of the table, answer (a)-(d):Find the overall proportion of children who were nearsighted in the sample