Every month, Medicare randomly selects 100 claims for injections and inspects them for errors in the coding. The number of claims with errors, for 5 consecutive months, are shown below. Are there...

Every month, Medicare randomly selects 100 claims for injections and inspects them for errors in the coding. The number of claims with errors, for 5 consecutive months, are shown below. Are there significant differences in the error rates? Use α = 0.05.

Month 1: 13, Month 2: 22, Month 3: 10, Month 4: 15, Month 5: 14