What is the p-value of a one-sided greater than One-Sample Z-Test for Mean where the z-statistic equals 2.20? Group of answer choices A. 0.0136 B. 0.9864 C. 0.0139 D. 0.9861

A survey was done of 40 people. They were asked: What type of movies would you like to see at this theater? Family, children, comedy, sci-fi, horror, action, or double feature? 40 people answered the following: Family:  37 Children:  18 Comedy:  26 Sci-fi:  12 Horror:  6 Action:  18 Double Feature:  19 Find the following: Probability Frequency Mean Median Mode Variance or Standard Deviation

To decide between using an independent-samples t test and a one-way ANOVA, which question should the researcher ask? a. Is the population mean known b. Is the goal to measure association or to make a prediction c. Are there more than two levels of the independent variable d. Is the research deisgn between-groups or within-groups

The following sample (n=15) times between keystrokes were recorded when a user typed the username and password: 0.24, 0.32, 0.38, 0.43, 0.37, 0.38, 0.22, 0.41, 0.33, 0.25, 0.25, 0.46, 0.48, 0.46, 0.34  seconds. Find the mean ,median and standard deviation A longtime authorized user of the account makes 0.25 seconds between keystrokes. if the sample data above are recorded as someone typed the correct username and password. What is the test's critical value (table value)  for rejection decision on the evidence of an unauthorized attempt or not (H0=:μ=0.25H0=:μ=0.25 versus H0=:μ≠0.25H0=:μ≠0.25? (At a 5% level of significance).

The mean price of a cup of coffee in Portland, OR is $3.92. The owner of a new coffee house believes that the mean price of coffee is different in their neighborhood. A sample of 8 coffee prices from other local coffee shops in their area are shown below. Price 2.7 3.35 3.55 4.7 3.4 3.95 4.15 4.65 Test the claim that mean price of a cup of coffee is not equal to $3.92 using a 10% level of significance. Assume that the coffee prices are normally distributed. Give answers to at least 2 decimal places. a) Fill in the hypotheses below: Ho: Select an answer ✓ H₁: Select an answer ✓ ? ✓ $ ? ✓ $ b) The p-value is 0.6542. The correct decision is to Select an answer The correct summary would be: [Select an answer price of a cup of coffee is not equal to $3.92. that the population mean

You are interested in testing if there is an association between marital status (married vs. never married) and BMI (quantitative).  Which of the following is the most appropriate statistical test that you will you use? A. One-sample T-testB. Independent Sample t-testC. Chi Square testD. None of the above

The mean price of a cup of coffee in Portland, OR is $3.58. The owner of a new coffee house believes that the mean price of coffee is different in their neighborhood. A sample of 10 coffee prices from other local coffee shops in their area are shown below. 5 3.1 2.15 2.55 2.7 4.15 4.45 4.4 3.15 4.95 Test the claim that mean price of a cup of coffee is not equal to $3.58 using a 10 % significance level. Assume that the coffee prices are normally distributed. Fill in the hypotheses below: Ho: Select an answer Ha: Select an answer ✓ ? ✓ $ ? ✓ $

Do male and female college students have the same distribution of living arrangements? Use a level of significance of 0.05.   Suppose that 87 randomly selected male college students and 95 randomly selected female college students were asked about their living arrangements: dormitory, apartment, or other. The results are shown in Table. Do male and female college students have the same distribution of living arrangements?   Dormitory Apartment Other Male 37 45 5 Female 38 37 20 What is the chi-square test-statistic for this data?χ2=

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What is the average score for those who work well with others in teams with the standard deviation?