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1. What is random-digit dialing and why is it used?
2. How does a compiled mailing list differ from a response mailing list?
3. Explain what is meant by sampling error, response error, and nonresponse error in survey research.
4. A research firm finds that only 33% of those who reported buying Kellogg's Frosted Flakes had actually purchased the product during the period monitored. What type of survey research error does this represent?
What is the probability that no HIC country will be included in the sample? What is the probability that "at least one" HIC will be included in the sample? (Note that these two outcomes are complements: "none" and "at least one.")
the defect rate for data entry of insurance claims 1.5. what if the sample size used were 50 with 3 sigma? what if the
Why do the critical values from the Chi-square distribution get larger as the degrees of freedom get larger? Recall that this is opposite the pattern for the t-table.
Find the five-number summary for this data set and Create a basic boxplot for data set. You do not need to attach it to this assignment. What appears to be the shape of the data distribution of speeds on this road?
an american association of individual investors aaii survey found that 23 of aaii members had purchased shares of stock
a paticle starts at 00 and moves in one-unit independed steps with equal probabilites of 14 in each of the four
What is the null and alternative hypothesis? What is your final conclusion?
what is the correlation between leadership trustworthiness and ethical stewardship? support your
In American football, touchdowns are worth 6 points.
The management of a department store is interested in estimating the difference between the mean credit purchases of customers using the store's credit card versus those customers using a national major credit card.
What is the probability that an improperly adjusted machine will produce five or more items before it is stopped? What is the average number of items an improperly adjusted machine will produce before being stopped?
Give the expected value and standard deviation of defective shoes in the ShoeFit store order.
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