The following table shows the responses of 45 students from two different classes who were asked which of five amusement rides at a school fair was their favorite.   Amusement Ride   Carousel Roller Coaster Ferris Wheel Log Ride Boat Ride Total Class A 2 5 1 2 5 15 Class B 3 5 3 9 10 30 Total 5 10 4 11 15 45

600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear jewelry, and 300 of the students that wear jewelry are females.

In the following picture there is a box diagram or two variables containing the annual income of mayors and annual income per person for a sample of 32 towns in Puerto Rico The distribution of annual income of the mayors in this 32 towns of Puerto Rico are: A. Can’t tell B. Symmetric C. Skewed to the left D. Skewed to the right

If there are 11 people in the first sample and 10 people in the second sample, the degrees of freedom for the first sample is type your answer... and type your answer... for the second sample.

Short Answer 3: Thirty students were surveyed as to their ethnicity, and the following was the data: Hisp. White Asian Hisp. Afr. White Afr. Hisp. Asian Hisp. Hisp. White White White Hisp. White Afr. Hisp. Hisp. Hisp. Hisp. White Hisp. White Afr. White Afr. Hisp. White Hisp. Graph a bar chart and a pie chart BY HAND, and upload them to this question using the "File Upload" feature!

Does the location of your seat in a classroom play a role in attendance or grade? 1600 students in a physics course were randomly assigned to one of four groups. The 400 students in group 1 sat 0 to 4 meters from the front of the class, the 400 students in group 2 sat 4 to 6.5 meters from the front, the 400 students in group 3 sat 6.5 to 9 meters from the front, and the 400 students in group 4 sat 9 to 12 meters from the front. Complete parts (a) through (c). Click the icon to view the chi-square table of critical values. (a) For the first half of the semester, the attendance for the whole class averaged 83%. So, if there is no effect due to seat location, we would expect 83% of students in each group to attend. The data show the attendance history for each group. How many students in each group attended, on average? Is there a significant difference among the groups in attendance patterns? 3 4 Group Attendance 1 0.84 0.84 0.84 0.80 The number of students who attended in the first…

A manager would like to know if the type of coffee product a customer buys is related to gender.  The manager randomly selected 100 female and 100 male customers and recorded the product they purchased.  What type of test should the manager use?   a. Goodness of Fit   b. Test of Independence   c. Test of Homogeneity    d. One proportion z-test

600 students at Drew High School were surveyed. 269 of them were males. 455 of the students' wear jewelry, and 300 of the students that wear jewelry are females.

A survey of 400 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.      Undergraduate Major             Graduate School Business Engineering Other Total   Yes   33   43   61 137   No   90 105   68 263   Total 123 148 129 400 What percentage of the students' undergraduate major is Engineering?   a. 65.75%     b. 520%     c. 152%     d. 37%