A smart phone manufacturer wants to determine the average battery time that its new smart phone will get. The manufacturer will test 100 smart phones. Match the strategies to their corresponding sampling techniques.  

Which of the following are reasons that a sampling technique may not be scientific. Choose all that apply.  

Which of the following models does NOT represent a negative association?

In which scenario do the sample means differ more? [answer1] In which scenario is there a larger variation in the distribution of data within each sample? [answer2] In which scenario will the F-statistic be larger? [answer3] In which scenario are we more likely to reject the null hypothesis and conclude that at least one population mean differs from the others? [answer4]

Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: # of Courses Frequency Relative Frequency Cumulative Relative Frequency 1 30 0.6   2 15     3       What percent of students take one or two courses?

For Questions 11-13, refer to the problem statement below. Two processes have unknown variances that are assumed equal to one another.  A sample of size n1=n2=15 was taken from each process, and the results are

Explain two of the ways to prevent malaria from spreading.  Don’t just list 2 things; you need to explain how each measure prevents malaria. Total 6-8 sentences.

Pursue, accessible, primarily, conduct, contracted, ethical, virtually, breed, defective, aimed at , milestone, diagnosisThe new engine was ___________________, so the car didn’t start even after the repair.

Answer the following questions clearly and carefully. Write your answers in the box below.Give one example of what the government is doing to encourage people to have a healthier lifestyle and reduce CVD risks. You can use an example from the textbook or a different example from your native country, the US, or another country.  Make sure you mention the name of the country.  One example only but explain clearly in 3-5 sentences.

Pursue, accessible, primarily, conduct, contracted, ethical, virtually, breed, defective, aimed at , milestone, diagnosisThe new clinic is __________________ by public transportation, so more people will be able to go there.