What is the relation between An B and AnB ? Justify your

French Consider the association between a student’sscore on a French vocabulary test and the weight of thestudent. What direction and strength of correlationwould you expect in each of the following situations?Explain.a) The students are all in third grade.b) The students are in third through twelfth grades in thesame school district.c) The students are in tenth grade in France.d) The students are in third through twelth gradesin France.

How do I complete the Venn diagram?

What type of variable ( nominal or ordinal) is class?

A study of the career plans of young women and men sent questionnaires to all 722 members of the senior class in the College of Business Administration at a given University. One question asked which major within the business program the student had chosen. Here are the data from the students who responded Major Accounting Administration Economics Finance Female 68 91 Male 56 40 6 59 61 Does the data suggest that there is a relationahip between the gender of students and their choice of major? At 0.05 level of significance, what is the conclusion to the test? Select the correct response: There is sufficient evidence to conclude that students find Economics very hard. There is insufficient evidence to conclude that the choice of major and the gender of the student are not independent of each other. There is insufficient evidence to conclude that more females prefer Administration than males. There is sufficient evidence to conclude that the choice of major and the gender of the student…

An instructor was interested in how framing impacted her students' feelings about her grades. She randomly assiagned students to either receive positive ("This is an improvement") or negative ("You will still need to do a lot of work on this") feedback on an assignment. She further assigned students to a points lost (-10 points) or points gained (+90 condition) condition. After teach assignment was returned, she asked students to rate the fairness of their grades on a 10-point scale (0 = not fair at all, 10 = extremely fair).                                          Points Lost                          Points Gained                         Mean Positive Feedback               7.8                                            7.9                                   7.85 Negative Feedback              4.3                                            5.5                                   4.9 Mean                                    6.05                                           6.7…

A manufactures of LED sets was trying to find out what variables influenced the purcnase of a LED set. Level of income was suggested as possible variable influencing the purchase of LED sets. A sample of 500 households was selected and the information obtained is classified as shown below : Have LED set Do not have LED set Low income group 0. 250 Middle income group 50 100 80 20 High income group Is there evidence from the above data of a relation ownership of LED sets and level of income ?

A report just came out that stated that 21.3% of all Americans say that vanilla is their favorite ice cream, 23.1% say that chocolate is their favorite, 9.1% favor butter pecan, 10% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America. The table below shows the results of 905 of her patrons' ice cream selections. What can be concluded at the a = 0.05 significance level? a. Complete the table by filling in the expected frequencies. Round your answers to the nearest whole number. Frequencies of Favorite Ice Cream Frequency Expected Frequency Outcome Vanilla 172 Chocolate 195 Butter Pecan 75 Strawberry 86 Other 377 b. What is the correct statistical test to use? Select an answer c. What are the null and alternative hypotheses? Но: Favorite ice cream and where the ice cream is purchased are independent. Favorite ice cream and where the ice cream is purchased are dependent. The distribution of favorite ice…

The University Secretary wants to determine how University grade point average,GPA (highest being 4.0) of a sample of students from the University depends on a student’s high school GPA (HS), age of a student (A), achievement test score (AS), average number of lectures skipped each week (S), gender of a student (where M=1 if a student is male or 0 otherwise), computer or PC ownership of a student (where PC=1 if a student owns a computer or 0 otherwise), the means of transport to school (drive, bicycle or walk; where D=1 if a student drives to campus or 0 otherwise, B=1 if a student bicycles to campus or 0 otherwise), and finally, the subject major of the student (finance, human resource, marketing and accounting; where F=1 if a student majors in finance or 0 otherwise, HR=1 if a student majors in human resource or 0 otherwise, MR=1 if a student majors in marketing or 0 otherwise). Use the correlation matrix and dummy regression output to answer the questions.   GPA HS A AS…

The University Secretary wants to determine how University grade point average, GPA (highest being 4.0) of a sample of students from the University depends on a student’s high school GPA (HS), age of a student (A), achievement test score (AS), average number of lectures skipped each week (S), gender of a student (where M=1 if a student is male or 0 otherwise), computer or PC ownership of a student (where PC=1 if a student owns a computer or 0 otherwise), the means of transport to school (drive, bicycle or walk; where D=1 if a student drives to campus or 0 otherwise, B=1 if a student bicycles to campus or 0 otherwise), and finally, the subject major of the student (finance, human resource, marketing and accounting; where F=1 if a student majors in finance or 0 otherwise, HR=1 if a student majors in human resource or 0 otherwise, MR=1 if a student majors in marketing or 0 otherwise). Use the correlation matrix and dummy regression output to answer the questions.     GPA HS A…