Question

A principal suspects that the current students at his school will perform different than students in previous years on a mathematics assessment. From previous years, 40% of the students achieved a superior rating, 40% achieved a passing rating, 10% achieved a remedial rating, and 10% achieved a failing rating. The principal collected the following information from a random sample of 1000 student files from the current school year. Would you agree with the principals hypothesis based on the sample information? Perform a statistical test using alpha=0.05. Provide an interpretation of your results.

season	frequency
superior	374
passing	292
remedial	169
fail	165

Answer 1