# Community Health, Quantitative and Qualitative Elements

HiI want an expert how can help me with my homework. The name of the course that I am taking is ( Community Health, Quantitative and Qualitative Elements).I send to you:1/ the questions2/ Two PowerPoint which they contain the formulas to do all calculations in this homework.the Due date for this homework is tomorrow on Tuesday 2/18/2014 at 9:00 a.m.

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HLTH 615 Homework Assignment #2 Due February 18, 2014 Studies have found suicide rates to vary by location. The table below shows the teen births per 1,000 women age 15-19 in 6 states for 2006. States Teen birth rate per 1,000 Alabama 53.5 California 39.9 Colorado 45.8 Nevada 55.8 New Hampshire 28.7 New York 25.7 Texas 63.1 Washington, DC 48.4 Mean ______________________ Median position ______________ Median value ________________ Mode ______________________ Use this frequency distribution of hours studied in the past week by students to answer the questions below. Hours Studied in a Week F 10 1 9 0 8 2 7 4 6 7 5 11 4 5 3 3 2 4 1 2 0 1 Total Fill in the columns in the table below (as needed) Calculate the Mean ____________________ Calculate the Variance _________________________ Calculate the Standard Deviation ___________________ What does this Standard Deviation Mean? ____________________________________________ Provide an experimental and null hypothesis that describes the mean weight loss for men versus women in a biggest loser contest. Null – Experimental – In a test of the hypothesis that females smile at others more than males do, females and males were videotaped while interacting and the number of smiles emitted by each sex was noted. Using the following number of smiles in the 5-minute interaction, use a t-test to determine if the null hypothesis that there are no sex differences in the number of smiles is true. Use .05 p-value to determine significance. MALES (Group A) FEMALES (Group B) 8 15 11 19 13 13 4 11 2 18 7 17 9 10 9 7 6 4 T-ratio _________________________________________ df (degrees of freedom) ___________________________________ What is the Research/Alternative Hypothesis (two-tailed)?.