Using a chi-square goodness-of-fit test, decide, with some degree of certainty, whether a variable is normally distributed ...

     The   frequency distribution shows the results of 200 test scores. Are the test   scores normally distributed? Use a=0.01. Complete the questions below. Class   boundaries 49.5-58.5 58.5-67.5 67.5-76.5 76.5-85.5 85.5-94.5 Frequency 18 60   83 35 4 Using a chi-square goodness-of-fit test, decide, with some degree of   certainty, whether a variable is normally distributed.