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- Which of the following are required to use the t test (remember there is both the variable you are testing and the grouping variable)? a. An Interval variable b. A Dichotomous variable c. Neither a nor b d. Both a and bre1Residence in the city are charge for water usage every three months the water bill is computed from a common fee along with the amount of water the customer uses the last water bill for 40 residence from two different neighborhoods are shown in the histogram below. which of the following is a true statement comparing the water bills of the two neighborhoods? more homes on front Street had water bills above 225 then on Pine Road more homes on Pine Road had water bills under 150 then on front Street more homes on Pine Road had water bill is above 200 then on front Street The same number of homes on both streets had water bills between 175 and 200
- Which of the following statements about the histogram are true? Select all that apply.how can I get Sd? (if possible with Ti84)Cooper 11.0.27 A plane flies at 200 mph for the first and last half hour of a flight. It flies at 400 mph the rest of the time. The route is 1000 miles long. The town of Erehwon is on the route 300 miles before the end. What is the distance of the plane from Erewhon after t hours of flying? t≤= 700-2001 St≤2= 600-400(1-1/2) 2≤t≤2= 200+100(1-2(1/2)) 2 St≤3 200+100(1-2(1/2)) miles miles miles miles Online Math Lab resources for this problem: • High School Math Review Math 34A Word Problems Math 348.
- Answer for this question from the word bankO O O Less than 8 8. A sample of 400 Goshen households is selected and several variables are recorded. Which of the following statements is correct? * O Total household Income is a ratio level data. Socioeconomic status (recorded as "low income", "middle income", or "high income" is nominal level data. O The number of people living in a household is a continuous variable. O The primary language spoke in the household is ordinal level data.do fast
- r1Express the alternative hypothesis in symbolic form. A psychologist claims that the mean amount of time (in hours) that females spend in talk therapy is more than that of men. Assume that two samples are independent. Let the female talk therapy times be the first population and the male talk therapy times be the second population.A student scored 67 on Basic Math exam where the class mean is 63 and a SD of 3. He scored 84 on a English exam with a mean of 83 and a SD of 3. n which class his relative position is higher. O English O Same relative position in both the courses O Basic Math O None of the option is correct