In a simple linear regression based on 30 observations, the following information is provided: = -6.92

Question:

In a simple linear regression based on 30 observations, the following information is provided: = -6.92 + 1.35x and se = 2.78. Also, se (0) evaluated at x = 30 is 1.02.

a. Construct the 95% confidence interval for E(y) if x = 30.

b. Construct the 95% prediction interval for y if x equals 30.

c. Which interval is narrower? Explain.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Essentials Of Business Statistics Communicating With Numbers

ISBN: 9780078020544

1st Edition

Authors: Sanjiv Jaggia, Alison Kelly

See More Books

Question Posted: Jan 28, 2015 10:24 AM

See More Questions

In a simple linear regression based on 30 observations, it is found that SSE = 2540 and SST = 13,870. a. Calculate se2 and se. b. Calculate R2.
In a simple linear regression based on 30 observations, it is found that b1 = 3.25 and se(bj) = 1.36. Consider the hypotheses: H0: 1 = 0 and HA: 1 0. a. Calculate the value of the test statistic. b....
In a simple linear regression based on 30 observations, it is found that b1 = 7.2 and se(bj) = 1.8. Consider the hypotheses: H0: 1 10 and HA: 1 < 10. a. At the 5% significance level, find the...
Two Amps are connected in series the first amplifier is an inverting amplifier and the second amplifier is a non-inverting amplifier, which of the following resistors produce a gain of -36? Amp1 (Ri...
Scheduled loan payments of $1500 due in 6 months and $1900 due in 21 months are rescheduled as a payment of $2000 due in 3 years and a second payment due in 45 months. Determine the size of the...
An analyst at a local bank wonders if the age distribution of customers coming for service at his branch in town is the same as at the branch located near the mall. He selects 100 transactions at...
If $X_{t} \sim N\left(0, \sigma^{2} t ight)$ and $Y_{t}=e^{X_{t}}$, calculate the pdf of $Y_{t}$. Calculate $\mathbf{E}\left[Y_{t} ight]$ and $V\left(Y_{t} ight)$. Calculate the transition...
On November 1, 2017, Nordin Inc. (Nordin) issued a $5,000,000 bond with a 6 percent coupon rate and a maturity date of October 31, 2022. Interest is paid semi-annually on April 30 and October 31. The...
How well did Allen interact with each member of the buying center? (Lawford Electric case) Lawford Electric Company (Revised) 580-124 Exhibit 1 (continued) Tension Reel-Hallden Shear System consists...
After watching the video on Thailands booming economy, discuss the following: 1. How do firms in Asia (in this case, in Thailand) overcome market failure? 2. What costs and benefits do US-based Ford...
The issues regarding executive compensation have received extensive media attention. The government is even considering a cap on high-lying salaries for executives (New York Times, February 9, 2009)....
In a multiple regression with 40 observations, the following sample regression equation is obtained: y = 12.8 + 2.6x 1 - 1.2x 2 with s e = 5.84. Also, when x 1 equals 15 and x 2 equals 6, Se (y 0 ) =...
The towing force acting on the 400-kg safe varies as shown in the graph. Determine its speed, starting from rest, when t = 8 s. How far has it traveled during this time? -0.0 F
A gift of real property left in a will. a. benefi ciary b. bequest c. codicil d. decedent e. devise f. executor g. holographic will h. inter vivos i. intestate j. personal representative k. residuary...
What is the impact of subordination on the final allocation of proceeds from liquidation?
What is a bond spread?
Indicate whether each of the following statements is true or false by writing T or F in the answer c olumn. A trustee does not have authority to make investments.
Describe briefly the priority of claims in a formal liquidation.
Sketch the curve with the given vector equation. Indicate with an arrow the direction in which increases. r(t) = sin t, t
Controls can be identified based on their function. The functions are preventive, detective, and corrective. A. True B. False
MRT Ltd. reported 2024 earnings per share of 3.20 and had no discontinued operations. In 2025, EPS on income from continuing operations was 2.99, and EPS on net income was 3.49. Is this a favorable...
-1/7 - (-1/6)
8x 5x + 6 + 3y 2y 4
Evaluate (-2x) squared and 2x squared when x = 3
In which one of the following lists are ALL items relevant to the determination of employment income? Employee RPP contributions; signing bonus on accepting employment; use of an employer - owned...
what is the shortest maturity bond issued by pfizer that is outstanding?
Manufacturing Company Balance Sheet Partial balance sheet data for Diesel Additives Company at August 31 are as follows: Finished goods inventory $89,400 Prepaid insurance 9,000 Accounts receivable...

In a simple linear regression based on 30 observations, the following information is provided: = -6.92

Question:

Step by Step Answer:

a With df n k 1 30 1 1 28 and 005 we find t 2df t 002528 2048 Also Thus ...View the full answer

Essentials Of Business Statistics Communicating With Numbers

Students also viewed these Statistics questions