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In a study , the average age of the male candidates who were affected , was 38.20 whereas the average age of the female subjects was calculated to 34.976 with the standard deviation of 156.91 and 116.
I could reach my target of 2800 at each of the 5 bookies, making my total profit for the month 14000, or hit my target of -12000 for a total loss of 60000 x 25% kickback, making the total loss for the
What is the probability for the following values of Z
Compute the expected value for the group b. Compute the standard deviation for the group
In a sample of n = 36 selected from a population, where X = 96 and S = 12, what is the value of tSTAT if you are testing the null hypothesis H0: µ = 100.
The data returned could be categorized as follows: participants--designers and non-designers, and males and females; emotions categorized by valence--6 positive and 6 negative; typeface stimuli catego
X, Y, and Z are independent normally distributed random variables. The following information is known about these three variables:
Suppose I have an experiment with 5 groups and 5 DVs and intend to conduct MANOVA to determine if there are mean differences between groups,
Too much cholesterol in the blood increases the risk of heart disease. Young women are generally less afflicted by high cholesterol than other groups. The cholesterol levels for women aged 20 to 34 fo
As i study on childhood disease then my collected sample is 269 and variable include age of child. vaccination status , social condition include type of house ,monthly in come .no of rooms in house ,p
A survey of random sample of people leaving an amusement park showed an average expenditure number 10.30k for the evening.
During the 2000 season, the home team won 138 of the 240 regular season National Football League games. Is this strong evidence of a home field advantage in professional football
Identify the independent and dependent variable, and state the research hypothesis for your study. The variables must be categorical variables.
In traditional marketing research surveys, are purchase intent questions measured on a 5 point scale (e.g. definitely would buy, probably would be, etc), considered to be ordinal or interval data, and
Provide a quantitative analysis that compares remeasurement 1 and 2 data to the baseline data:
Assume that an apptitude test are normally distributed. if the mean score in on 140 points and standard deviation is 25 points. find the cut off passing grade such that 67% of those taking the exams p
A random sample of 50 men, 40% said they preferred walking up stairs than taking the elevator. In a random sample of 40 women
Determine whether a marketing campaign to increase spending at a direct marketing retailer has resulted in incremental spend. For this campaign, I have two groups: Test and Control. I mail 75,000 cust
A researcher reports a mean pulse rate of 80 for the ampled patients. the data also revealed a standard deviation of 10.5. what percent of patients pulse rates will fall between 69.5 ans 90.5?
In a population of 5000 students, a simple random sample of 50 students is selected in order to estimate the weighted average mark for the population.
During nine days in a festival, the highest sale of a shop was on sunday and was 900„5 more than the average sale for other days. If the standard deviation of the sale during the festival is 33
A research team conducted a study of soft- drink preferences among residents in a test market prior to an advertising campaign for a new cola product. Of the participants, 130 are teenagers and 130 ar
A sample of 10 electronic tubes produced by a company showed a mean lifetime of 1200 hours and a standard deviation of 100 hours. estimate the mean and the standard deviation of the population of all
The desired percentage of silicon dioxide in a certain type of cement is 5. A random sample of 36 specimens gave a sample average percentage of 5.21 and a sample standard deviation
It is important for airlines to know the approximate total weight of the baggage carried on each airplane. An airline researcher believes that the mean baggage for each adult is 60 kg. To test his bel