ALL ABOUT STATS

Answer the following questions? 1. What is a parameter? 2. What are the two commonly used parameters? What are their symbols or notations? 3. What are the other notations used as parameters? 4. To identify the parameter to be tested in a claim/hypothesis, what are the concepts to consider?List down five (5) different real-life situations where hypothesis testing can be done. Identify the parameter to be tested in each situation. 1. 2. 3. 4. 5.Directions: Determine the parameter to he tested in the given problems below. 1. An electric lamps manufacturer is testing a new method of producing lamps that will he considered acceptable in a normal population with an average life of 2,600 hours and a standard deviation equal to 350. A sample of Si} lamps produced by this method has an average life of 2,530 hours. Can the hypothesis of validity for the new manufacturing process he accepted with a risk equal to or less than 5%? 2. A car dealer elajins that the average price of Honda Views is at least teaspoons a client suspected that the claim is incorrect and found 51 that random sample of 15 similar vehicles has the mean price of P'li} and standard deviation of l" 24,{}D.. Is there enough evidence to reject the dealer's claim at c = illlS