For a recent year, the following are the numbers of homicides that occurred each month in a city. Use a 0.05 significance level to test the claim that homicides in a city are equally likely for each of the 12 months. Is there sufficient evidence to support the police commissioner's claim that homicides occur more often in the summer when the weather is better?
Jan. 38 Feb. 29 March 45 April 39 May 47 June 50
July 48 Aug. 51 Sep. 51 Oct. 43 Nov. 37 Dec 37