please help. last test of the quarter and im so close.
Test 4 Name POINTS Out OF 0 117 0 men women 102 73 101 Suppose you are interested in comparing, by gender, scores on a certain test The A survey of 430 randomly chosen adults found that 21% of the 22 men and 18% of the results of the test for two samples are shown to the right. ( Note, the max score is 208 women had purchased books online. Find the 95%% confidence interval for the difference between males and females purchasing books online. and females . Find a 99% confidence interval for the difference in test scores between males 101 95 What type of problem is this? What type of problem is this PE variable Critical Value POINTS|Out OF PE variable Vaile POINTS Out OF Standard Error Margin of error = Standard Error Margin of error = Upper Bound = Lower Bound = Upper Bound = Lower Bound = 119 Confidence Interval Confidence Interval STATISTICAL INTERPRETATION STATISTICAL INTERPRETATION POINTS| Out OF POINTS Out OF REAL WORLD INTERPRETATION REAL WORLD INTERPRETATION POINTS Out OF POINTS Out OF rate rate before A school nurse wants to determine whether there is a difference between boys and 52 s gifts in the proportion who choose a healthy snack after school. The nurse conducts & bays Healthy Unhealthy Suppose one wanted to test the efficacy of a drug designed to reduce resting heart random survey of students and recorded the results to the right. Test at a 10%% level rates in beats per minut its per minute. The resting heart rates of 16 individuals are measured. They ad of significance the claim ther is no difference in proportion between boys and girls girls 67 are then treated with the drug, and their hearts are again measured. Test at a 1% level 89 71 eating healthy snacks. of significance if the drug reduces the resting heart rate, 73 What type of problem in this? 70 What type of problem is this? Step 1 72 68 Step 1 Identity variable and parameter with variable and words 60 Identity variable and parameter with variable and words 51 62 57 70 85 53 Step 2 64 Step 2 Identity Null Hypothesis, Alternative Hypothesis, (words and algebraicaly) and Identify Null Hypothesis, Alternative Hypothesis, (words and algebraically) Level of Significance 54 30 and Level of Significance HO : Ha : HO : Ha : Step 2 Step 3 Check for normality Check for normality Can you be confident in your decision? POINTS Out OF Can you be confident in your decision? POINTS Out OF Step 4 Step 4 Find sample statistic test statistic and pvalue. Drayua picture, Find sample statistic, test statistic and pvalue, Drewa picture. Sample statistic SE - Sample statistic SE - Test Statistic POINTS Out OF Test Statistic POINTS Out OF -3 -2 -1 0 1 2 3 2- 0 1 2 3 POINTS Out OF POINTS Out OF Value = Type of Tail? p Value Type of Tail? dec %% dec % Step 5 Step 5 Make a conclusion about null hypothesis Make a conclusion about null hypothesis POINTS OUT OF POINTS Out OF Step 8 Step 6 Interpret you alternative hypothesis nterpret you alternative hypothesis POINTS Out OF POINTS Out OF POINTS Out OF s there a difference in proportion between boys and girls eating healthy POINTS Out OF Does the drug reduce the resting heart rate? snacks
