Q₃₈:(3 marks) (Hypothetical) Criminologists have long debated whether there is a relationship between weather conditions and the incidence of violent crime. A researcher classified 1188 homicides according to season, resulting in the following table.

Winter

Spring

Summer

Fall

200

312

389

287

Test the null hypothesis of equal proportions using = 0.05.

A)(1 Mark) Find the calculated Chi-squared value and write down the degrees of freedom used.

B)(1 Mark) What is the P-value of the Chi-squared test.

C)(1 Mark) Give a clear and complete conclusion?

Do not just say reject or retain H₀!