1 answer

Problem. Alex Rodriguez is interested in the relationship between the number of games won by a...

Question:

Problem. Alex Rodriguez is interested in the relationship between the number of games won by a major league baseball team in

(3) What fraction of the total variation can be explained by the linear regression model? Select one: 46.34% 29.25% 30.839 31

Problem. Alex Rodriguez is interested in the relationship between the number of games won by a major league baseball team in a season (1) and the team's batting average (x). He collected data and obtained the following ANOVA table for a simple linear regression model, y = 3, +3.x + Mean Square F Significance F Regression Residual df ? 15 ? Sum of Squares 248.0 600.0 348.0 Total (1) What is the sample size n? Select one: 15 16 17 18 None of the other four (2) Find the adjusted r value Select one: 0.2453 O 0.3071 0.3433 O 0.2108 None of the other four
(3) What fraction of the total variation can be explained by the linear regression model? Select one: 46.34% 29.25% 30.839 31.2296 None of the other four (4) Is there a significant relationship between the two variables? Find the p-value for the test. Select one: None of the other four O 0.01 0.05 0.10 0.95

Answers

Source df SS MS F p value
regression 1 248.000 248.000 6.20 0.0250
error 15 600.000 40.000
total 16 848.000

1)

sample size =16+1 =17

2)

R2adj= 1-(n-1)*SSE/(SST(n-k-1)) = 0.2453

3)

fraction explained =SSR/SST =248/848 =0.2925~ 29.25 %

4)

none of the other four

.

Similar Solved Questions

1 answer
A sample of 0.7360 g of an unknown compound containing barium ions (Ba2+) is dissolved in...
A sample of 0.7360 g of an unknown compound containing barium ions (Ba2+) is dissolved in water and treated with an excess of Na2CO3. If the mass of the BaCO3 precipitate formed is 0.7578 g, what is the percent by mass of Ba in the original unknown compound?...
1 answer
How do you solve #(x-1)(3x-4)>=0# using a sign chart?
How do you solve #(x-1)(3x-4)>=0# using a sign chart?...
1 answer
7. Finish the following two-way ANOVA table. There are four levels of Factor A (columns) and two ...
7. Finish the following two-way ANOVA table. There are four levels of Factor A (columns) and two levels of Factor B (rows), with 10 people in each group!!!!! df MS Source col row interaction 12 720 within total a. dfcol b. dfrow c. dfva d. dfw e. dfptal f. MSw g. MSco h. SSool i. MSrow j. SSow k. SS...
1 answer
1 Fix an integer N > 1, and consider the function f : [0,1] - R...
1 Fix an integer N > 1, and consider the function f : [0,1] - R defined as follows: if 2 € (0,1) and there is an integer n with 1 <n<N such that nx € Z, choose n with this property as small as possible, and set f(x) := otherwise set f(x):= 0. Show that f is integrable, and compute...
1 answer
Please answer the queation C. prospectus. d. balance sheet. When considering joint ownership of assets for...
please answer the queation C. prospectus. d. balance sheet. When considering joint ownership of assets for estate planning (specifically joint with rights of survivorship) it is important to understand OW Select one: a. the implications of giving up your decision making power over the asset. b. that...
1 answer
10. The moment generating function of the random variable X is given by My(t) = exp{2e*...
10. The moment generating function of the random variable X is given by My(t) = exp{2e* – 2} and that of Y by My(t) = fet +. Assuming that X and Y are independent, find (a) P{X + Y = 2). (b) P{XY = 0}. (c) E(XY)....
1 answer
Why can't a person have acted accidentally or recklessly if claiming self-defense?
Why can't a person have acted accidentally or recklessly if claiming self-defense?...
1 answer
Temperature, Question 7 (13 marks) Acetone is brominated in acidic solution according to the following reaction:...
Temperature, Question 7 (13 marks) Acetone is brominated in acidic solution according to the following reaction: CH3COCH3(aq) + Br2(aq) - CH3COCH_Br(aq) + H" (aq) + Br" (aq) Student A proposed the following four-step mechanism for the decomposition of Bra: CH3COCH3 + H + CH3C(OH)CH3 ki, ki C...
1 answer
When the angular velocity of a balanced rotating body increase it can lose its balance true...
when the angular velocity of a balanced rotating body increase it can lose its balance true or false?...
1 answer
Q-) Let F be an object ond V is a finite dimensional vector Space on the...
Q-) Let F be an object ond V is a finite dimensional vector Space on the object. . that if v is linear trons formation, ronkt is zero a) Show or 1. b) If Liv> v is linear tronsformation, show that ker L c ker L² and L(v) 2 L² (v). ( Note : L²=LoL and ker L, be defined as subspace o...
1 answer
You have a business customer who has a large number of graphics files containing the text...
You have a business customer who has a large number of graphics files containing the text of documents that she would like to convert to a text-editable form. What do you tell her can perform this task? A. A fax machine B. An OCR reader C. A scanner D. This task cannot be done...
1 answer
INFECTION PREVENTION AND CONTROL 1. THE BODY HAS NORMAL DEFENSES TOWARDS INFECTION. DESCRIBE EACH DEFENSE BELOW....
INFECTION PREVENTION AND CONTROL 1. THE BODY HAS NORMAL DEFENSES TOWARDS INFECTION. DESCRIBE EACH DEFENSE BELOW. SKIN MOUTH EYE RESPIRATORY TRACT URINARY TRACT GASTROINTESTINAL TRACT...
1 answer
A firm desires to control inventory levels so as to minimize the sum of holding and...
A firm desires to control inventory levels so as to minimize the sum of holding and ordering costs. The firm estimates its inventory holding costs at $4/unit/year, and ordering cost at $50/order. Weekly demand is fixed at 200 units and there are 50 weeks in the work year. (QUESTIONS 3, 4, 5) What is...
1 answer
Please help with the first two questions. 1. Sketch the domain of f(x,y) = 14 –...
Please help with the first two questions. 1. Sketch the domain of f(x,y) = 14 – x2 - y2 x-1 2. Sketch the domain of f(x,y) = In(y + x?) - -- y. 3. Find two level curves for f(x,y) = y - x + 1 (make sure to label k-values)....