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Use Excel to answer the following questions. Copy and paste your Excel tables and graphs to this document and submit everything in one word file.
1. Construct a histogram and a frequency polygon for the following data.
Class Interval
Frequency
30-under 32
5
32-under 34
7
34-under 36
15
36-under 38
21
38-under 40
34
40-under 42
24
42-under 44
17
44-under 46
8
Advertising (in $millions)
Sales (in $millions)
4.2
155.7
1.6
87.3
6.3
135.6
2.7
99.0
10.4
168.2
7.1
136.9
5.5
101.4
8.3
158.2
Explain the difference between multiple independent variables and multiple levels of independent variables. Which is better? What is blocking and how does it reduce "noise"?
you measure the weight of 5 small birds for two years these are the resultsbird year 1 year 21 512 5002 510 4903 508
Calculate the Empirical Cost Function with Regression Analysis
The accounting staff of Dade Inc. has prepared the following postretirement benefit worksheet. Unfortunately, several entries in the worksheet are not decipherable. The company has asked your assistance in completing the worksheet and completing t..
For the events A and B, if (A∩B)' =S (where S, of course, is the sample space), then the events CANNOT be mutually exclusive.??b. In a confidence interval for the difference between n matched pairs of observations, the t-distribution to use is with 2..
What is the difference between the probability value and the significance level? Please, also provide examples.
In his management information systems textbook, Professor David Kroenke raises an interesting point:“If 98% of our market has Internet access, do we have a responsibility to provide non-Internet materials to that other 2%?Suppose that 98% of the cust..
A scientist examined the effect of temperature and catalyst on the yield of a reaction. He ran the experiment at both 150° and 200°C with two types of catalyst.
At the .10 significance level you will test to determine if there has been an increase in selling time. Is this a 1 or 2 tail test?
A communication network transmits binary digits, 0 to 1, where each digit is transmitted 10 times in succession. During each transmission, there is a 0.995 probability of accurate transmission.
Alice and Bob agree to meet at the bus stop between 12 noon and 1pm. They each arrive at a random time in that interval and wait for 5 minutes before leaving, unless they see the other person. What is the probability that they meet each other?
The correlation between his test and the BDI was r =.14. Evaluate this correlation. What does this correlation tell us about the relationship between these two instruments?
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