grade = -0.147+0.981(Prestatistics grade).What does the -0.147 tell us?A student who earns a 0 for thepre-statistics course grade willhave an actual introductorystatistics course grade of -0.147%.For each 0.981% increase in thepre-statistics course grade, thepredicted introductory statisticscourse grade decreases 0.147%.For each 1% increase in the pre-statistics course grade, thepredicted introductory statisticscourse grade decreases 0.147%.OA student who earns a 0 for thepre-statistics course grade willhave a predicted introductorystatistics course grade of -0.147%. community college students.55Introductory Statistics Course Grade (percent)5ហ55707585Pre-statistics Course Grade (percent)809095The linear regression equation is:Predicted introductory statisticsgrade = -0.147+0.981(Prestatistics grade).What does the -0.147 tell us?A student who earns a O for thepre-statistics course grade willhave an actual introductorystatistics course grade of -0.147%.

regression equation introductory statistics grade = -0.147 + 0.981(pre statistics grade)we have to…

Answered: grade = -0.147+0.981(Pre statistics…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The dataset below is based on a survey of 100 randomly selected travelers who were asked, “How many trips per year do you typically take?” 2 or Fewer 3 to 5 Trips 6 to 8 Trips 9 or More Trips Male 17 10 20 3 Female 19 21 8 2 What is the probability that a randomly selected survey participant is male or takes two or fewer trips per year? Group of answer choices 0.36 0.69 0.86 0.17 0.18
Supposed that in the past, 10% of women in the Philippines have severe dysmenorrhea. Do we have enough reason to believe that the proportion of women having terrible cramps has decreased if, in a random barangay population of 1,256 women, 122 have severe enough cramping to interfere with their daily lives? Use a = 0.05
ABC company has recently experienced a sharp decline in its stock price. Its current (time 0) stock price is $42.65, and this morning, it paid $5.00 per share. Given that the stock price four years ago was $82.88, complete the following time series of data by determining the missing values. t= -3, Pt =$83.43, Divt = $16.03, Rt = (1)t= -2, Pt =$85.20, Divt =(2), Rt = 22.8482%t= -1, Pt =(3), Divt =$17.50, Rt = 20.6572%t= 0, Pt =$42.65, Divt =$5.00, Rt =(4)
How high must a vehicle's gas mileage be in order to fall in the top 15% of all vehicles?
In the last three years, there have been changes of 55%, 3% and 2% in the production amount of a good, respectively. What is the geometric mean of the annual rate of change?
A large automobile insurance company selected samples of single and married male policyholders and recorded the number who made an insurance claim over the preceding three-year period. Z-value p-value Single Policyholders n₁ = 440 Number making claims = 88 a. Use a = 0.05. Test to determine whether the claim rates differ between single and married male policyholders. (to 2 decimals) (to 4 decimals) X Married Policyholders n2 = 840 Number making claims 126 We can conclude ✔ that there is the difference between claim rates. b. Provide a 95% confidence interval (to 4 decimals) for the difference between the proportions for the two populations. Enter negative answer as negative number. X * )
A survey found that in a sample of 100 families, 37 owned cats. A survey done 5 years ago found that in a sample of 80 families, 34 owned cats. At ? = 0.05 has the proportion of cat owners changed over the 5-year period?
Samantha took an exam in her statistics class and received 90 out of 100. Samantha thought that was a good score, but she wanted to know how high her score was in relation to the rest of the class. Her professor said her Z-score was -0.29. How should Samantha interpret her Z-score? a. Samantha’s score is 0.29 points above the class mean.b. Samantha’s score is 29% above than the class mean.c. Samantha’s score is 0.29 standard deviations above the class mean.d. Samantha’s score is 0.29 standard deviations below the class mean.
ANSWER THE LAST 2 QUESTIONS PLEASE
The number of employees working for Fly Me to the Moon Airlines in 2005 was 16,633, with an expected decrease of 4.4%4.4% per year. At the rate of decrease given, what is the expected number of employees working at Fly Me to the Moon Airlines in 2006? Round your answer to the nearest integer.
A student pursuing a degree in English as a second language believes the proportion female factory workers who can't speak English is less than the proportion of male factory workers who can't speak English. To test her claim she randomly selects 373 female factory workers and out of them 43 could not speak English. She then randomly selects 215 male factory workers and out of them 65 could not speak English. Test her claim at .=0.05 to see if she was right. The correct hypotheses are: H : PF Pu (claim) H : PF 2 PM HA: PF < Pr (claim) H : PF = PM HA: PF + PM (claim) Since the level of signficance s0.05 the critical value is-1.64s The test statistic is pound to 3 places) The pvalue is round to 3 places) The decision can be made to oreject H, odo not reject í, The final conclusion is that: There is enough evidence to reject the claim that the proportion female factory workers who can't speak English is less than the proportion of male factory workers who can't speak English. There is…
how do I solve for the cumulative relative frequency?

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