A Meteorologist Has Measured the Amount of Rain in Four

question 49

Multiple Choice

A meteorologist has measured the amount of rain in four cities for the last six months.She wants to know if there are different amounts of rain in the four cities.The table shows the data. ​ ​
Conduct a Kruskal-Wallis test to see if there is a significant difference in the amount of rain in the four cities.Use a χ2 approximation.Select the appropriate critical value (CV) , test statistic (TS) , and decision.(Use α = 0.025.)

• A) CV = 7.3778, TS = 14.04, reject H₀
• B) CV = 9.2103, TS = 15.98, reject H₀
• C) CV = 9.3484, TS = 15.98, reject H₀
• D) CV = 9.3484, TS = 9.22, fail to reject H₀