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A survey asked 150 randomly selected single american adults
a survey asked 150 randomly selected single american adults how mcuh they spend on groceries each month. The mean of the sample was 167.32 with a standard deviation of 11.79. Calculate and interpret a… read more
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Can I just send the question in chat? its from my statistics
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Question 1 Based on a survey of 1,000 adults by Greenfield
Question 1 Based on a survey of 1,000 adults by Greenfield Online and resported in a May 2009 USA Today Snapshot, adults 24 years of age and under spend a weekly average of $35 on fast food. If 200 of… read more
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MAT 300 M&Ms® Project Part 3 We will be constructing
MAT 300 M&Ms® Project Part 3 We will be constructing confidence intervals for the proportion of each color as well as the mean number of candies per bag. You will use the methods of 6.3 for the propor… read more
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The owner of a restaurant that serves continental food wants
The owner of a restaurant that serves continental food wants to study characteristics of his customers. He decides to focus on two variables: the amount of money spent by customers and whether custome… read more
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Hello, I really need some help with these stats questions.
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Chirag
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Construct confidence intervals for the proportion of each color
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Can you help me with 3 stat questions 1.) A study produced
Can you help me with 3 stat questions 1.) A study produced the following descriptive statistics. Construct a 95% confidence interval for a u1 –u2 n=265, x=115.7 and s1 =9.5; n2 =264 x2 = 133, and s2 =… read more
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using the t score identified in the following chart, indicate
using the t score identified in the following chart, indicate whether the null hypothesis or the alternate hypothesis would be accepted.(note; 95% confidence interval is the same as .05 level of signi… read more
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Construct a 95% confidence interval estimate for the mean monthly
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A confidence interval for the population mean tells us which
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The makers of a soft drink want to identify the average age
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An engineering firm is evaluating their back charges. They
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Now I need help to construct a 99% confidence interval for
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Hey, I have a pretty sophisticated stats question. Basically,
Hey, I have a pretty sophisticated stats question. Basically, I want to find a confidence interval (95%) for a percentage change... meaning, I have two random variables (normally distributed with non-… read more
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#1-A marketing firm wants to estimate the average amount spent
#1-A marketing firm wants to estimate the average amount spent by shoppers leaving the mall.For a sample of 140 randomly selected shoppers, the mean amount spent was $86.50 and the standard deviation … read more
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N 50, Xbar 106.0 S 15.0 Mean IQ Greater than 100, ...
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