Nike took a risk on Colin Kaepernick for its “Dream Crazy” #JustDoIt campaign. The first ad...

Nike took a risk on Colin Kaepernick for its “Dream Crazy” #JustDoIt campaign. The first ad aired on national TV September 6, 2018. A year from now they will assess whether the risk paid off. To answer this question they will collect weekly sales data from September 6, 2018 – September 5, 2019 and compare it to 52 weeks of sales data over the previous year, September 6, 2017 to September 5, 2018. For each data point, they will record the date and sales. a. How would you analyze this data? • State the null and alternative hypothesis. • What statistical test would you use?

Expert Solution

Nike took a risk on Colin Kaepernick for its “Dream Crazy” #JustDoIt campaign. The first ad aired on national TV September 6, 2018. A year from now they will assess whether the risk paid off. To answer this question they will collect weekly sales data from September 6, 2018 – September 5, 2019 and compare it to 52 weeks of sales data over the previous year, September 6, 2017 to September 5, 2018. For each data point, they will record the date and sales.

How would you analyze this data?

Since the data are collected in two different time periods, we consider this as two independent samples. We have to apply two independent sample procedure to compare the whether the two population means are different.

State the null and alternative hypothesis.

This is a two sided test.

What statistical test would you use?

Since sample size is 52 (>30) we can use parametric procedure to compare two population means.

We can use Independent sample t test.

milcah answered 4 months ago

Before the furniture store began its ad campaign, it averaged 103 customers per day. The manager...

Before the furniture store began its ad campaign, it averaged 103 customers per day. The manager is investigating if the average has changed since the ad came out. The data for the 16 randomly selected days since the ad campaign began is shown below: 108, 89, 104, 75, 111, 84, 88, 71, 96, 93, 107, 107, 69, 109, 97, 90 Assuming that the distribution is normal, what can be concluded at the αα = 0.01 level of significance? For this...

Before the furniture store began its ad campaign, it averaged 193 customers per day. The manager...

Before the furniture store began its ad campaign, it averaged 193 customers per day. The manager is investigating if the average is smaller since the ad came out. The data for the 12 randomly selected days since the ad campaign began is shown below: 200, 181, 185, 205, 198, 201, 173, 165, 180, 198, 199, 200 Assuming that the distribution is normal, what can be concluded at the αα = 0.05 level of significance? For this study, we should use...

The following events took place for Sorensen Manufacturing Company during January, the first month of its...

The following events took place for Sorensen Manufacturing Company during January, the first month of its operations as a producer of digital video monitors: a. Purchased $138,800 of materials. b. Used $94,780 of direct materials in production. c. Incurred $181,280 of direct labor wages. d. Incurred $213,200 of factory overhead. e. Transferred $428,060 of work in process to finished goods. f. Sold goods for $654,000. g. Sold goods with a cost of $360,750. h. Incurred $85,320 of selling expense. i....

Then please read the article Uber's International 'Launch Playbook: In 2011, when Uber first took its...

Then please read the article Uber's International 'Launch Playbook: In 2011, when Uber first took its car service app abroad, the company made its Paris debut an all-consuming event. From headquarters in San Francisco, Chief Executive Officer Travis Kalanick personally hired and oversaw the three people running local operations ahead of the service's tense first day online in France. Every one ofUber's then-20 employees studied Parisian cab rates, or neighborhood traffic density, or French transportation laws. These days, things are...

Question