You may need to use the appropriate appendix table to answer this question. Critics of television often refer to the detrimental effects that all the violence shown on television has on children, However, there may be another problem. It may be that watching television also redu the amount of physical exercise, causing weight gains. A sample of 15 10-year-old children was taken. The number of pounds each child was overweight was recorded (a negative number indicates the child is underweight). In addition, the number of hours of television viewing per week was also recorded. These data are listed here. Television Overweight 44 33 27 36 39 18 60 -1 13 39 33 34 19 28 14 7 7 -9 8 38 27 8 5 314 -7 Is there evidence of a linear relationship between the number of hours of television viewing and how overweight the child is? (Use a 5%6 significance level) State the null and alternative hypotheses Ho -Select-0 H₁ --Select-0 Calculate the test statistic. (Round your answer to two decimal places.) State the rejection region. (Enter NONE for any unused regions. Round your answers to three decimal places) test statistic> test statistic State your conclusion There-Select- enough evidence to infer a linear relationship.

You wish to determine the impact expressive writing has on days spent in the hospital for elderly adults. However, it is difficult to estimate the population average of days spent in the hospital. Thus, we recruit 14 elderly adults and randomly assigned half to either write expressively about their most traumatic life event or to write about their plans for that day- both groups write 20-minute essays four days in a row and six months later are asked how many days they have spent in the hospital. Expressive writing condition: 2, 5, 1, 4, 4, 2, 3 Control condition: 8, 8, 5, 2, 7, 5, 7 Which statistical test would you select: Ho: H₁: Enter the data above into and JAMOVI and use the correct statistical procedure to test the null hypothesis - answer the following questions: What is the mean difference between the two samples? What is the standard error of the mean? What is the appropriate 95% CI? [ What is the d-effect size? What is the t-observed? } Based on the p-value (a = .05) should…

What is the best way to answer each of the questions below: a survey, an experiment, or an observational study? Explain your reasoning Howlongdoyourteacherswaitonaverageaftertheyasktheclassaquestion

What are some issues to consider if you are planning to use statistical analysis in your research? Select all that apply.   Question 7 options:   Collecting some statistics may require training on particular software or may even require expertise.   You might need to acquire the data from another department in your agency or school, such as IT, and that can be time consuming.   Software and expertise can be costly.   How strong are your math skills?

Does cancer cause cell phones? What variables might confound this data?

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Researchers have postulated that, due to differences in diet, Japanese children have a lower proportion of children with high blood cholesterol levels than U.S. children. Suppose that the proportion of high blood cholesterol level of U.S. children is known to be 0.78. Ho: ??:

For which reason is it a problem when journalists only report on one study?   a. It can lead people to think journalists are scientists.   b. It can cause people to interrogate a study’s validities.   c. It can lead people to value one study over decades of previous research.   d. It can make journalists look bad.

The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.