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A sample of 14 fish from Lake Norman gave the mean weight of x1=23 ounces with a standarddeviation of s1= 3 ounces. A sample of 16 fish from Lake Wylie gave the mean weight of x2=25ounces with a standard deviation of s2=4 ounces. Assume that the weight of fish for both lakesare normally distributed with equal population standard deviations. Test at =.01 significance level,if the mean weights of fish are different for these two lakes
On the TV show Deal or No Deal, a contestant chooses from among 26 suitcases, each containing a dollar amount. These dollar amounts are: (a) Using only the table, determine the median prize amount.
the calculated value of the test statistic will be? the p-value for this two-tail test will be?1 when the necessary
I randomly selected the route on 21 different days and wrote down the time it took me for the round trip, getting to work in the morning and back home in the evening. At the .01 significance level, can I conclude that there is a difference betwee..
What is the R and adjusted R-square for all independent variables entered simultaneously and what variables provide a significant unique contribution(s)?
question researchers asked a sample of 50 1st grade teachers and a sample of 50 12th grade teachers how much of their
the chapin social insight test evaluates how accurately the subject appraises other people. in the reference
The number of citizens who selected roads as the highest priority for the improvement funds is what percent of the number of people who selcted water and sewer as the top priority
a student takes a 20-question multiple choice exam and guesses on each question. each question has 4 choices only one
a sample of n 4 difference scores produces ss 48. what is the estimated standard error for the sample mean
ACME will incur the cost of replacement, but will not receive any additional revenue. What is the profit earned/loss incurred on an all weather tire that exceeds 40,000 miles?
What is the value of c for which there is 80% probability that a metal plate has a thickness with in the interval [4.3-c, 4.3+c]?
Suppose a organization takes a random sample of 1000 voters and ask them whether they approve of the job performance of the president. What sampling distribution is related to thin process.
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