For guaranteedgrades – Statistics Assignment

/in /by

In the ever-evolving landscape of education, students face increasing challenges to meet the demands of their academic pursuits. Striking a balance between extracurricular activities, personal commitments, and a rigorous academic curriculum can be overwhelming. Amidst this struggle, online homework help services have emerged as invaluable resources for students seeking academic excellence. Among these, HomeworkProWriters.com shines as a beacon of light, standing tall as the best website for homework help.

Unless otherwise stated, answer in complete sentences, and be sure to use correct English, spelling, and grammar. Sources must be cited in APA format. Your response should be four (4) double‐spaced pages; refer to the “Format Requirementsʺ page for specific format requirements.

 

StatCrunch

 

StatCrunch tutorial videos are available athttp://www.youtube.com/view_play_list?p=BE055F65E43B4973.

 

1.     (25 points) A sports psychologist gave a questionnaire about healthy eating habits to randomly selected professional athletes. The results are displayed below. Using the .05 significance level, is there a difference in healthy eating habits among professionals in the three sports?

 

Baseball Players              Basketball Players              Football Players

            32                                    27                                        27

            27                                    36                                        23

            26                                    25                                        26

            35                                    30                                        20

 

a.     Make a graph for the data set.

 

b.     Use the five steps of hypothesis testing (report results in APA format).

 

c.     Figure the effect size of this study.

 

d.     Conduct a planned contrast for Baseball versus Football players (using Tukey’s HSD).

 

 

 

2.     (25 points) A researcher is interested in the effects of sleep deprivation and caffeine intake on mood. Participants were randomly assigned to a sleep condition (normal or deprived) and a caffeine condition (0 cups, 2 cups, or 4 cups). After the manipulations, mood was measured (such that higher numbers indicated better mood). The results were as follows:

 

               Normal Condition                            Deprived Condition

            0 cups  2 cups  4 cups                          0 cups  2 cups  4 cups

                16       18         18                                0          5          6

                17       20         17                                6          4          8

                20       20         17                                3          4          6

                19       19         17                                2          2          7

                18       18         16                                4          5          8

 

Analyze these data using a factorial analysis of variance and including R2 for each effect.

 

3.     (25 points) A researcher was interested in whether college GPA (X) would predict starting salary after college (Y). (For simplicity, salary was converted to a 100-point scale.) The participants’ scores were:

 

            X                      Y         

            2.25                 55

            1.75                 23

            3.25                 80

            3.75                 42       

            M = 2.75         M = 50

 

a.     Report the correlation and linear prediction equation.

 

b.     Make a graph with the regression line.

 

c.     Figure the standardized regression coefficient.

 

 

 

4.     (25 points) An advertising firm wanting to target people with strong desires for success conducted a study to see if such people differed in the types of television shows they watched. Randomly selected participants recorded the shows they watched for a week, then their desire for success was assessed, and finally they were divided into two groups. Low Success seekers watched 8 comedies, 15 romances, 6 documentaries, 13 dramas, and 3 news shows. High Success seekers watched 3 comedies, 3 romances, 9 documentaries, 7 dramas, and 8 news shows. Using the .05 significance level, is the distribution of type of shows watched different for participants having high and low desires for success?

 

a.     Use the five steps of hypothesis testing.

 

b.     Figure a measure of effect size and indicate whether it is small, medium, or large.

At the core of HomeworkProWriters.com lies a team of exceptional and proficient writers. Each member of this distinguished cadre possesses advanced degrees in their respective fields, empowering them with the knowledge and expertise to tackle assignments from various academic disciplines. From complex mathematical problems to intricate literary analyses, their writers exhibit a remarkable ability to deliver impeccable content that adheres to the highest academic standards. One hallmark of the best homework help website is its comprehensive subject coverage. HomeworkProWriters.com leaves no academic stone unturned, catering to students across diverse subjects and levels of study. Whether it be fundamental sciences, nursing, humanities, social sciences, or technical disciplines, this platform ensures that no student is left without the support they need to excel.

 
Do you need a similar assignment done for you from scratch? We have qualified writers to help you. We assure you an A+ quality paper that is free from plagiarism. Order now for an Amazing Discount!
Use Discount Code "Newclient" for a 15% Discount!

NB: We do not resell papers. Upon ordering, we do an original paper exclusively for you.