MAT 210 Milestone 5 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES VERIFIED ANSWERS ALREADY GRADED A+.

James participated in an archery competition. He was allowed four attempts and was supposed to hit the bullseye in the center of the board. If the figure shows the positions of James' arrows, which of the following would best classify the arrangement of arrows? ● Low accuracy and high precision ● High accuracy and low precision ● High accuracy and high precision ● Low accuracy and low precision RATIONALE The arrows are close to the center so they are accurate and they are also close to one another, so they are precise as well. CONCEPT Accuracy and Precision in Measurements 2 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. ● 3.36 ● 1.12 ● 2.54