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2. The producers of a new toothpaste claim that it prevents more cavities thatn other brands of toothpaste. A random sample of 60 people used the new toothpaste for 6 moths. The mean number of cavities at their next checkup is 1.5. In the general population, the mean number of cavities at a 6-month checkup is 1.73 (σ = 1.12). a. Is this a one- or two-tailed test? b. What are Ho and Ha for this study c. Compute Zobt d. What is Zcv? e. Should Ho be rejected? What should the researcher conclude? f. Determine the 95% confidence interval for the population mean, based on the sample mean.
Write your own newspaper article for the study with at least one appropriate table or graph.
What if the instruments are broken, not connected to anything, or just completely wrong? This is one of the primary reasons that the sequence is so important
Evaluate the correlation coefficient.
What is the name of the counting rule used to find all the possible outcomes and how many different items can be uniquely numbered?
1. the study you will evaluate for your assignment isbinge drinking and alcohol-related behaviours amongst pacific
How does the utility curve differ for risk seekers and risk avoiders? Are you familiar with one of these types? APA format 300-400 word count
1 labforensic collection and analysis of persistent datawrite up your lab experience including the necessary steps
Is Crosset's experience different from that claime
a. Calculate the costs associated with level production and chase production strategies.
it lsquos has been claimed that if you drop a standard thumbtack from a height of 3 feet or more onto a flat hard
What are the effects of gender and worksite location (on- or off-site) on level of confidence and is there a gender difference in confidence?
Calculate the mean, median, and standard deviation and get statistics on the original reaction time, separately for the three stimulus types. Comment on how the means compare for the three stimulus types.
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