You are given the population figures of India as follows:Census year (X)1951196119711981199120012011Population (in crores) (Y) 25.025.127.931.936.143.954.7Fit the exponential trend Y A.B to the above data by the method of least squares and find thetrend values. Estimate the population in 2021.

Answered: You are given the population figures of…

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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A traffic safety company publishes reports about motorcycle fatalities and helmet use. In the first accompanying data table, the distribution shows the proportion of fatalities by location of injury for motorcycle accidents. The second data table shows the location of injury and fatalities for 2061 riders not wearing a helmet. Complete parts (a) and (b) below. Click the icon to view the tables. (a) Does the distribution of fatal injuries for riders not wearing a helmet follow the distribution for all riders? Use α = 0.05 level of significance. What are the null and alternative hypotheses? O A. Ho: The distribution of fatal injuries for riders not wearing a helmet follows the same distribution for all other riders. H₁: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. B. Ho: The distribution of fatal injuries for riders not wearing a helmet does not follow the same distribution for all other riders. H₁: The…
What is the relative frequency of deaths that occurred in 2000 or before?
Aparticularly statistically curious clickbait website writer noticed that all the cool creative people he knows are also very anxious or neurotic. To test his hunch, he find 5 volunteer friendsand gives thema surveyon neuroticism (1-5 point scale) and a puzzle he found on the internet that supposedly is solved faster by more creative peopleand measures how long it takes each person to solve in seconds. The data areXneuroticism: 3.6, 1.5, 2.85, 2, 4.9Xcreativity: 32, 62, 123, 15, 4 A. Identify the appropriate statistical measure to use. B. Conduct the test. Make a decision about the null hypothesis, interpret your results and calculate effect size if applicable. At ?=.05,is the writer right about his hunch?
What is the predicted percentage of people without health insurance in 1998? Round your result to two decimal places.
Rail ridership during the summer months in the North-East is believed to beclosely related to the number of tourists visiting the region. The following tableshows the data on the number of tourists and North-East ridership for the past16 years. (Answer in Excel showing formulas for answers)Year Tourists( in millions) Rail Ridership (in millions) 2000 9 2.32001 4 1.9 2002 7 1.7 2003 5 1.8 2004 12 2.8 2005 13 2.9 2006 14 2.42007 20 4.8 2008 7 1.3 2009 5 1.12010…
Please show/explain method if using excel
The amount of time an individual will live in their current residence before moving to a new one follows an Exponential distribution. Assume that the mean time between moves is five years. Estimate the decay rate: A = What proportion of individuals will move within the next year, rounded to four digits?
You collect data of average annual returns for Amazon Stock and Microsoft Stock and make the following table: (This data can be copied into Excel.) You use this data to answer the research question: are true population Amazon Returns greater than true population Microsoft Returns? What is your point estimate of the difference in Amazon Returns and Microsoft Returns? Enter your answer as a positive number. Round your answer to four decimal places.
Based on long-term investigation, researchers suggest that the acidity (pH) of rainfall/storms in a given mountain can be described by the normal model N(4.9,0.6) what percent of storms produced rainfall with ph over 6? the lower the ph the more acidic the rain. What is the ph level for the most acidic 20% of all storms? what is the OQR for the ph of rainfall? Use the meaning of OQR in context with the normal curve to answer this question.
your car is more crowded than you think. table 5.8 reports results from a 1969 personal transportation survey on "home-to-work" trips in metropolitan areas. The survey stated that the average car occupancy was 1.4 people. check that calculation.

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