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A professor is interested in whether there is a gap in counseling students' statistics competency scores between 1) those who have never taken any statistics course, 2) those who have only taken an undergraduate statistics course, 3) those who have taken COUN 503, and 4) those who have takenan advanced statistic course whereas working on a Ph. D. The professor gathers information from a random sample of students and obtains the statistics competency scores. The scoresare normally distributed.
1)
2)
3)
4)
7
11
13
15
6
14
8
10
5
12
4
a. What statistical test should be used to examine these data?
b. Identify H0 and Ha for this study.
c. Conduct the exactly analysis.
d. Should H0 be rejected? What should the researcher conclude?
A scientist claims that the mean incubation period for the eggs of a species of birds is more than 46 days.
1) Define and explain the following: i) Ordering cost ii) Safety stock iii) Re-order point 2) Profit Volume Chart. 3) Discuss the various techniques of financial statement analysis
How will the adoption of IFRS change financial reporting by companies? Manager 1: The new rules will definitely change the way our organization prepares financial statements.
I have a regression analysis assignment using minicab, but I am not sue how to do with my current data set?
Let the national income model be: Y= c+1+G C=20+0.6y I=0.2y G=20 Where y= income, C= consumption, I= investment and G=government expenditure find y, C and I from the model. By quan
What is the difference between parametric and non-parametric stats tests? Different kinds or levels of data need to be analysed using different kinds of stats tests. The basic dist
y=4x-x^2
Proton-electron hypothesis: this was put forward in the year 1930 to account for the emission of alpha and beta particles from the nuclei of radioactive elements. The positive char
Why do we particularly omit the middle year when using the semi-average method to fit a trend line
distinguish between historigram and histogram
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