Latino Yes No Total 1645 Experience emotional stress Yes Count 263 1382 % within hispanic 17.4% 13.4% 13.9% No Count 1247 8964 10211 % within hispanic 82.6% 86.6% 86.1% Total Count 1510 10346 11856 % within hispanic 100.0% 100.0% 100.0%
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Need help writing a null hypothesis for the bivariate relationship shown in the SPSS output.
- What is a sample space?A survey was conducted in 27 different neighborhoods. The data collected represents the percentage point increase or decrease of people that support a certain decision involving infrastructure planning. What is the mode of the change in percentage points for this sample? Stem Leaf -1 |28 -- 378 22599 013 47779 2 112588 3 07 4 3 07 09 O 17 O 21 1,There are 20 total people that took this survey and 2 people that are older than 70 years old. What percentage of people surveyed are older than 70 years old? 5.0- 4.0- 3.0- 2.0- There are 20 total people that took this survey and people that are younger than 50. What people surveyed are younger than 50 years old? ntage of 1.0- .0- 20 30 40 50 60 70 80 90 100 Age DELL Frequency
- Describe the statistical pattern by which customers are generated over time must also be specified?the coca-cola company reported that the mean per capita annual sales of its beverages inthe united States was 423 eight-ounce servings (coca-cola company website, february3, 2009). Suppose you are curious whether the consumption of coca-cola beverages ishigher in atlanta, georgia, the location of coca-cola’s corporate headquarters. a sampleof 36 individuals from the atlanta area showed a sample mean annual consumption of460.4 eight-ounce servings with a standard deviation of s = 101.9 ounces. using a = .05,do the sample results support the conclusion that mean annual consumption of coca-colabeverage products is higher in atlanta?A special bumper was installed on selected vehicles in a large fleet. The dollar cost of body repairs was recorded for all vehicles that were involved in accidents over a 1-year period. Those with the special bumper are the test group and the other vehicles are the control group, shown below. Each "repair incident" is defined as an invoice (which might include more than one separate type of damage). Statistic Test Group Control Group Mean Damage X⎯⎯⎯1X¯1 = $ 1,188 X⎯⎯⎯2X¯2 = $ 1,792 Sample Std. Dev. s1 = $ 712 s2 = $ 800 Repair Incidents n1 = 16 n2 = 14 Source: Unpublished study by Thomas W. Lauer and Floyd G. Willoughby. (a) Construct a 95 percent confidence interval for the true difference of the means assuming equal variances. (Round your final answers to 3 decimal places. Negative values should be indicated by a minus sign.) The 95% confidence interval is from to (b) Repeat part (a), using the assumption of unequal variances with Welch's…
- Calculate the mean number of children per family for the sample from the following tableA special bumper was installed on selected vehicles in a large fleet. The dollar cost of body repairs was recorded for all vehicles that were involved in accidents over a 1-year period. Those with the special bumper are the test group and the other vehicles are the control group, shown below. Each "repair incident" is defined as an invoice (which might include more than one separate type of damage). Statistic Test Group Control Group Mean Damage X⎯⎯⎯1X¯1 = $ 1,245 X⎯⎯⎯2X¯2 = $ 1,790 Sample Std. Dev. s1 = $ 721 s2 = $ 835 Repair Incidents n1 = 17 n2 = 14 Source: Unpublished study by Thomas W. Lauer and Floyd G. Willoughby. (a) Construct a 99 percent confidence interval for the true difference of the means assuming equal variances. (Round your final answers to 3 decimal places. Negative values should be indicated by a minus sign.) The 99% confidence interval is from to (b) Repeat part (a), using the assumption of unequal variances with Welch's…what would the 90% confidance intervall be for the true population mean waiting times given samples provided
- Over the last Ten months, the following numbers of absences have been reported: 39, 12, 8, 12, 1, 31 , 22, 23, 12 and 39. What is the mode number of monthly absences?Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Security_Service_Company Other_Companies1.4 1.91.7 1.81.5 1.71.6 1.71.5 1.61.3 1.81.8 1.71.7 1.51.4 1.81.6 1.7Compute range, lower quartile, upper quartile, variance and standard deviation