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The makers of Compute-All know that in the past, 40% of their sales were from people under 30 years old, 45% of their sales were from people who are between 30 and 50 years old, and 15% of their sales were from people who are over 50 years old. A sample of 300 customers was taken to see if the market shares had changed. In the sample, 100 of the people were under 30 years old, 150 people were between 30 and 50 years old, and 50 people were over 50 years old. State the null and alternative hypotheses to be tested. b. Compute the test statistic. c. The null hypothesis is to be tested at the 1% level of significance. Determine the critical value from the table. d. What do you conclude?
What is the conclusion you can draw regarding research question that was posed in this research - would you now move on to interpret the results of the Tests of Between-Subjects Tests?
What are the possible values of this random variable and draw the density function.
Develop 95% confidence intervals for the proportion of all students, the proportion of male students, and the proportion of female students who were involved in some type of cheating.
For a normal distribution, the z-score boundary that separates the lowest 2.5% of the scores from the rest is z = -1.96
To answer the question as to whether or not there is a difference in time to progression, a Chi square statistic is computed. The critical value for rejection of the null hypothesis is 3.84. The computed Chi square is 0.335.
The mean life span of a brand name tire
The file HotelPrices contains the prices in English pounds
A business research topic - Strengthen and improve initial proposal and research questions for the identified problem or opportunity
a new program is developed to enrich thekindergarteneperience of children in prepararion doe first grade. hillmont
Provide an example of the use of multiple regression
According to the most recent davenport student profile
if mouse weights are normally distributed with a mean weight of 23 and SD of 4. With 10 mice per box, what weight should they use so that no more than 8% of the boxes will have an average mouse weight below that weight?
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