what statsistical test, if any, would be typically associated with a leaf and steam gragh
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what statsistical test, if any, would be typically associated with a leaf and steam gragh
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- What are the results in apa formatting. Write in 2-3 sentences like the sample given. The context is whether people respond differently to correction of positive and negative misinformation, and does belief in misinformation differ by correction type. An experiment was done to get this informationIn at least 6 sentences or more, discuss when it is useful to use ANOVA. Give a practical example that would use ANOVA that cannot be found in the textbook.Draw 4) A study of dog obedience training was completed. 40 dogs were trained using the K9 Complete Program. It was found that their mean skill value increased by 1 points (on a 10 point scale) after participating in the 6-month program. Statistical analysis was used to find that the likelihood of these results by chance is 1 out of 1000. Use sentences to explain each answer below. a) Do these results have statistical significance? Yes or No (circle one choice) Explain why this data has or does not have statistical significance. b) Do these results have practical significance? Yes or No (circle one choice) Explain why this data has or does not have practical significance.
- A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n=30 participants to watch the commercial. First, everyone was givien a survey to determine their attitudes toward the company. Then, everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the comapny after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. What statistical test should they use?Are there more words in the English language That start with an "r" OR For which "r" is the third letter How do you calculate these statistical hypothesis?There are two parts to this problem: A). Yesterday's low temperature of 13 cities was recorded with the following scores: 15, 16, 20, 22, 31, 37, 46, 47, 48, 49, 57, 58, 64 Find the median, first quartile, third quartile, and the IQR. Are there any outliners according to the 1.5* IQR rule? B.) Suppose in problem A the city reported that 15 degrees made a mistake - it should have been 5 degrees instead of 15 degrees. How will each of the following measures be affected (increase, decrease, or no change) by replacing 15 with 5? Provide the Median, Mean, IQR, Range, and Standard Deviation.
- 11. In professional tennis for 2017 men challenged 2100 calls and 1105 of them were changed. While women challenged 1309 calls and 625 of them were changed. Conduct a hypothesis test to test the claim that men get more calls changed than women. Use a significance level of 0.05.a) Which of the following is the correct test statistic for this test? b) Degrees of freedom for this test? c) P-value for this test?6) A researcher is interested in whether women like Justin Bieber's music more than men. The extent to which people liked Bieber's music was measured on a 10 point scale ranging from 1 = do not like at all, to 10 like Justin Bieber's music more than men (alpha = .05). very much like. Using the data below, please determine whether women Women Men 7 4 8 7 4 a) What type statistical analysis should you perform? Please explain your rationale b) Please state the null and alternative hypotheses c) Please write out the results (t-value, df, p-value) and make a decision d) Please make a general conclusion (no stats talk)
- Help plsTo determine if there is an association between gender and reading habits, 270 adults are randomly sampled from across the United States and asked the following question: “How often do you read a book outside of work or school: regularly, sometimes, or never?” The results are summarized in the following table: OBSERVED READING HABITS Regularly Sometimes Never Total Male 42 72 10 124 Female 72 74 7 146 Total 107 146 17 270 a)What are the appropriate hypotheses for this chi-square test? b)What are the appropriate degrees of freedom for this test?The first blank for both questions is: "estimate of the standard ('distance' or 'score' or 'mean')" Second blanks: "...between a ('sample mean' or 'sample mean difference' or 'score')" Third Blanks: "...and the ('population mean difference' or 'population mean' or sample mean')" The choices are the same for the corresponding blanks, first, second and third.
