Order Size and Shipping Cost (n = 12) (a) Make a scatter plot of the data. What
Question:
(a) Make a scatter plot of the data. What does it suggest about the correlation between X and Y?
(b) Use Excel, MegaStat, or MINITAB to calculate the correlation coefficient.
(c) Use Excel or Appendix D to find t.025 for a two-tailed test at α =.05.
(d) Calculate the t test statistic.
(e) Can you reject ρ = 0?
Transcribed Image Text:
Orders (X) Ship Cost (Y) 1,068 1,026 767 885 1,156 1,146 892 938 769 4,489 5,611 3,290 4,113 4,883 5.425 4,414 5,506 3,346 3,673 6,542 5,088 1,174 1,009
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 72% (11 reviews)
a The scatter plot shows a positive correlation between orders and ship ...View the full answer
Answered By
ANDREW KIPRUTO
Academic Writing Expert
I have over 7 years of research and application experience. I am trained and licensed to provide expertise in IT information, computer sciences related topics and other units like chemistry, Business, law, biology, biochemistry, and genetics. I'm a network and IT admin with +8 years of experience in all kind of environments.
I can help you in the following areas:
Networking
- Ethernet, Wireless Airmax and 802.11, fiber networks on GPON/GEPON and WDM
- Protocols and IP Services: VLANs, LACP, ACLs, VPNs, OSPF, BGP, RADIUS, PPPoE, DNS, Proxies, SNMP
- Vendors: MikroTik, Ubiquiti, Cisco, Juniper, HP, Dell, DrayTek, SMC, Zyxel, Furukawa Electric, and many more
- Monitoring Systems: PRTG, Zabbix, Whatsup Gold, TheDude, RRDtoo
Always available for new projects! Contact me for any inquiries
4.30+
1+ Reviews
10+ Question Solved
Related Book For
Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
Question Posted:
Students also viewed these Statistics questions
-
Order Size and Shipping Cost (n = 12) (a) Use Excel's Data Analysis > Regression (or MegaStat or MINITAB) to obtain regression estimates. (b) Interpret the 95 percent confidence interval for the...
-
Order Size and Shipping Cost (n = 12) (a) Use Excel to make a scatter plot of the data. (b) Select the data points, right-click, select Add Trendline, select the Options tab, and choose Display...
-
For the following data: a. Make a scatter plot of y versus x. Is the relationship between x and y approximately linear, or is it nonlinear? b. Compute the natural logarithm of each y value. This is...
-
Question 4: Artistic Hand for engineering Services was formed on Jun 1, 2018. The following transactions took place during the month of Jun: I The owner invested $20,000 cash in business. 2 Hired an...
-
Let X be a random variable with pdf f(x) = kx2 where 0 < x < 1. (a) Find k. (b) Find E(X) and Var (X). (c) Find MX (t). Using the mgf, find E(X).
-
Using aggressive mail promotion with low introductory interest rates, Yeager National Bank (YNB) built a large base of credit card customers throughout the continental United States. Currently, all...
-
We have seen that we can use a bubble plot to show a third quantitative variable on a scatterplot. Another way to show three quantitative variables together is to use a 3-dimensional scatterplot,...
-
The Google SEC Form 10-K can be found online at www.wiley.com/college/pratt. Review it and answer the following questions: REQUIRED: a. How large is inventory compared to the other assets on Googles...
-
As altitude increases, does air pressure increase or decrease and Why. And what is the average barometric (air) pressure at sea-level?
-
A certain amount of mercury is compressed from an initial pressure of 500 MPa to a certain amount of final pressure. The final pressure of mercury required, to reduce a unit volume of mercury by 10%...
-
Regression analysis of free throws by 29 NBA teams during the 20022003 season revealed the fitted regression Y = 55.2 + .73X (R2 = .874, syx = 53.2), where Y = total free throws made and X = total...
-
In the following regression, X = weekly pay, Y = income tax withheld, and n = 35 McDonald's employees. (a) Write the fitted regression equation. (b) State the degrees of freedom for a two- tailed...
-
A popular consumer staple was displayed in different locations in the same aisle of a grocery store to determine what, if any, effect different placement might have on its sales. The product was...
-
Consider the regulation of J local monopolies for different goods with inverse demand functions P j (X j ) and cost functions C j (X j ,e j ). Social damage depends on total pollution and is given by...
-
Consider J=J 1 +J 2 polluting firms, where there are J 1 firms of type 1 and J 2 firms of type 2. The abatement cost functions are given by C j (e j )=(a j b j e j ) 2 /2b j for types j=1,2. The...
-
Show that if in an ambient pollution problem with J polluters each firm pays only 1/J of the damage, there will be too little incentive to abate emissions efficiently.
-
Consider a modified version of the model with uncertainty from section 9.2 . Assume that the firm is characterized by an output production function g j (l j ), where l j is now a single productive...
-
Repeat exercise 9.1 using for j >0. Data from exercise 9.1 Consider firms abatement cost functions C j (e j )=(a j b j e j ) 2 /2b j and an ambient damage function D(A)=A 2 /2, where is the ambient...
-
In Problems 11 54, simplify each expression. Assume that all variables are positive when they appear. 4/16
-
What are three disadvantages of using the direct write-off method?
-
The table shows a random sample of 50 quantitative SAT scores of first-year students admitted at a university. Make an appropriate graph of the distribution of the data, and describe the...
-
The table below Exercise 2.30 shows the average lifespan for some mammals in years, according to infoplease.com. Graph these average lifespans and describe the distribution. What is a typical...
-
The histogram shows frequencies for the ages of 25 CEOs listed at Forbes.com. Convert this histogram to one showing relative frequencies by relabeling the vertical axis, with the appropriate relative...
-
If a set of m+1 data points (x,y) are to be represent by a least squares fit of y=c logx derive an expression for c in terms of x and y.
-
5 If 0 = then 4 cos(0) = sin(0) =
-
Determine the reactions of the given beam using slope deflection method. P = 25 kN, P2 = 25 kN, and w = 25 kN/m P1 P2 2m B 2m C 4m 21 Numerical answer in 4 decimal places and positive values only: RA...
Study smarter with the SolutionInn App