representatives at Office Automation Incorporated involves several ratings done on a scale of 1 to 10, with 10 the highest rating. The activities rated include new contacts, successful contacts, total contacts, dollar volume of sales, and reports. Then an overall rating is determined by using a weighted average. The weights are 3 for new contacts, 1 for successful contacts, 4 for total contacts, 3 for dollar value of sales, and 5 for reports. What would the overall rating be for a sales representative with ratings of S for new contacts, 7 for successful contacts, 6 for total contacts, 2 for dollar volume of sales, and 4 for report:? (Round your answer to

In a study, researchers wanted to measure the effect of alcohol on the hippocampal region, the portion of the brain responsible for long-term memory storage, in adolescents. The researchers randomly selected 23 adolescents with alcohol use disorders to determine whether the hippocampal volumes in the alcoholic adolescents were less than the normal volume of 9.02 cm. An analysis of the sample data revealed that the hippocampal volume is approximately normal with no outliers and x 8.18 cm and s=0.8 cm. Conduct the appropriate test at the a= 0.01 level of significance. State the null and alternative hypotheses. Ho: H H1: (Type integers or decimals. Do not round.) Identify the t-statistic. to = (Round to two decimal places as needed.) !! Identify the P-value. P-value = (Round to three decimal places as needed.) Make a conclusion regarding the hypothesis. the null hypothesis. There sufficient evidence to claim that the mean hippocampal volume is cm³ Statcrunch Next 8:01 SAMSUNG esc @ %23 $…

Determine which of the following variables are quantitative. A: Rating of the effectiveness of a new cold remedy (Not effective, Somewhat effective,  Very effective) B: Amount of time spent assembling a five-shelf bookcase. C. Number of children in a family. Group of answer choices A and B and C B and C A and C A and B

help please

A case-control study was conducted to examine the association between lung cancer and smoking in men. The case group contains 500 patients, who were diagnosed with lung cancer. Five hundred age-matched patients were recruited as controls. The study found that 50% of cases were regular smoking and the proportion is 20% among controls. a. Create a 2x2 table based on the given information

Considering yourselves to be observational units, explain why the following are not variables: Average amount of hours worked in the past 24 hours among students in our class. Proportion of students in our class who are first-generation college students Have left-handers read more Harry Potter books, on average, compared to right-handers?

I need to find the population of the study. I know the population of the study is the group as a whole being researched. My topic is: The average annual income of states and the average cost of a four-year college degree. What would the population of the study be? All of the states? I am just confused.

You are the Provost of a University and you want to see if students would like to participate in classroom-based physical activity. You implemented a quick pilot test and collected data after Spring quarter. Below is the first set of data. Based on the data, answer the question. Participant Height (inches) Weight (pounds) Sex (1= male, 2= female) Ever Age (1 = 18-24 participated years, 2 25-34 in classroom exercise (1 = years, 3 35-49 years, 4 50 years No, 2 = Yes) or older) 66 150 1 1 2 72 150 2 2 4 66 150 2 1 2 4 74 215 1 2 1 5 66 112 2 2 6 71 215 2 2 7 69 175 2 2 3 8 66 152 1 2 9 72 375 1 1 10 66 140 1 2 3 What type of variables are height and sex? continuous, dichotomous discrete, ordinal discrete, dichotomous O discrete, nominal

Please provide a clear solution, 1 hour left thank you!

The table to the right shows data found at a government census​ website, under a​ "Did You​ Know" panel. What type of data source is the information presented here based​ on?   Private Sector Total Employment in a State All 2008 Q2 2009 Q2 Change Female 537,290 517,948 −3.6​% Male 504,214 477,491 −5.3​% Retail Trade       Female 168,942 146,473 −13.3​% Male 162,502 144,302 −11.2​%       Question content area bottom Part 1 Choose the correct answer below.     A. The information is the outcome of an experiment that was conducted.   B. The information is the result of an observational study that was conducted.   C. The information is the result of a survey that was conducted.   D. The information is collected via ongoing business activities.   E. The information is distributed by an organization or individual.