Brad recorded the number of visitors at the local science museum during the week:

Day Visitors

Tuesday 18

Wednesday 24

Thursday 28

Friday 30

He expected to see 25 visitors each day. To answer whether the number of visitors follows a uniform distribution, a chi-square test for goodness of fit should be performed. (alpha = 0.10)

What is the chi-squared test statistic?Answers are rounded to the nearest hundredth.

• 2.54
• 1.40
• 1.12
• 3.36