In testing the significance of the parameters, why do we sometimes use a z-test and sometimes use
Question:
In testing the significance of the parameters, why do we sometimes use a z-test and sometimes use a t-test?
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (QA)
The choice between a ztest and a ttest for testing the significance of parameters in regression anal...View the full answer
Answered By
Simon kingori
I am a tier-one market researcher and content developer who has been in this field for the last six years. I’ve run the freelancing gamut; from market research, data mining and SEO/SMM to copywriting, Content Development, you name it, I’ve done it. I’m extremely motivated, organized and disciplined – you have to be to work from home. My experience in Freelancing is invaluable- but what makes me a cut above the rest is my passion to deliver quality results to all my clients- it’s important to note, I've never had a dissatisfied client. Backed by a Masters degree in Computer Science from MOI university, I have the required skill set and burning passion and desire to deliver the best results for my clients. This is the reason why I am a cut above the rest. Having taken a Bsc. in computer science and statistics, I deal with all round fields in the IT category. It is a field i enjoy working in as it is dynamic and new things present themselves every day for research and exploration.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
Question Posted:
Students also viewed these Business questions
-
In testing the significance of the parameters, why do we sometimes use a two tailed test and sometimes use a one-tailed test?
-
Design a Java class that represents a cache with a fixed size. It should support operations like add, retrieve, and remove, and it should evict the least recently used item when it reaches capacity.
-
Priority reversal can happen when strings of varying needs synchronize on admittance to normal assets - strings of more prominent need might wind up looking out for strings of lesser need, prompting...
-
Which sentence below most strongly emphasizes the importance of the decision? (5 points) Over the next year, the direction of the company depends on the quick decision we must make. The direction of...
-
There are many opportunities to use C-V-P analysis in business world. How have you used C-V-P analysis in your current position or some prior position that you held?
-
a. For the following dataset, state the value of n to be used in the paired sign test. Give a reason for your answer. b. Find the value of S + for the dataset in part a. 160 158 159 159 167 158 D 166...
-
The mean room and board expense per year at four-year colleges is \($10,453\). You randomly select 9 four-year colleges. What is the probability that the mean room and board is less than \($10,750?\)...
-
Indicate whether each of the following actions relates to (a) Managing liquidity and cash flows, (b) Recognition of liabilities, (c) Valuation of liabilities, (d) Classification of liabilities, or...
-
The Singly Linked List below represents a queue q where q.peek() -87. Then, we perform these operations: q.peek(); q.enqueue(88); q.dequeue(); What is the output of q.peek() after all those...
-
Compare the width of a 90%confidence interval with that of a 99%confidence interval. Which is wider? Why?
-
When we are estimating the regression y = + x, which parameter is of greater interest, or ? Why?
-
Describe the graphing method for solving a system of equations.
-
For the system shown in Fig. P 4.9, establish relation between ' \(k\) ' and ' \(a\) ' so that system is stable and show stable region on a plane with ' \(k\) ' on \(y\) axis and ' \(a\) ' on \(x\)...
-
Use block diagram reduction rules to find C(s) for the system shown in Fig. D3.5. R(s) G (s) R(s) + H(s) + + R4(s) R(s) G (s) H(s) C(s)
-
Investigate stability of unity feedback system whose open-loop transfer function is Ans. Stable for \(\mathrm{T} <1\) \[ \mathrm{G}(s)=\frac{e^{-s \mathrm{~T}}}{s(s+1)} \]
-
For signal flow graph shown below, the transmittance between \(x_{2}\) and \(x_{1}\) is (a) \(\frac{r s u}{1-s t}+\frac{e f h}{1-f g}\) (b) \(\frac{r s u}{1-f g}+\frac{e f h}{1-s t}\) (c) \(\frac{e f...
-
If the open-loop transfer function is a ratio of a numerator polynomial of a degree ' \(m\) ' and a denominator polynomial of a degree ' \(n\) ', then the integer \((n-m)\) represents the number of:...
-
Duplicate the computation for Prob. 20.32, but use polynomial regression to derive best fit equations of order 1 through 4 using all the data. Plot and evaluate your results.
-
Fill in each blank so that the resulting statement is true. 83 + 103 = ______ .
-
Pat was divorced from her husband in 2011. During the current year she received alimony of $18,000 and child support of $4,000 for her 11-year-old son, who lives with her. Her former husband had...
-
Stan rented an office building to Clay for $3,000 per month. On December 29, 2015, Stan received a deposit of $4,000 in addition to the first and last months rent. Occupancy began on January 2, 2016....
-
Kamal is starting a new business in 2016 which will operate as an S corporation. This means that income earned by the corporation will be reported by shareholders even if they do not receive...
-
Discuss the role of mass transfer coefficients and the impact of interfacial phenomena in gas-liquid absorption processes. How do hydrodynamic conditions influence the efficiency of mass transfer ?
-
Please provide feedback and improve this argument for the topic the offence/defence of infanticide ultimately just an objectionable patriarchal condescension toward women. Disregards socio-political...
-
Date March 1 March 5 March 9 March 18 March 25 March 29 Activities Beginning inventory Purchase Sales Purchase Purchase Sales Totals Units Acquired at Cost $52.60 per unit 180 units 265 units 125...
Study smarter with the SolutionInn App