State the null and alternate hypotheses, the decision rule, find the test statistic, state my decision, and estimate the P value for the following: An egg farmer wanted to determine if increasing the time the lights were on in his hen house would increase egg production. For a sample of eight chickens he determined
State the null and alternate hypotheses, the decision rule, find the test statistic, state your decision, and estimate the P value for the following: The mean high temperature for 12 days in July in Detroit, Michigan was 88 degrees with a standard deviation of 4 degrees. The mean high temperature in Hilton Head, S
State the null and alternate hypotheses, the decision rule, find the test statistic, state the decision, and estimate the P value for the following: A sample of 200 Lion Store charge customers 50 years or older showed that 20 did not pay their entire balance at the end of the month. A sample of 300 customers under 30 showed
A consumer preference study involving three different bottle designs (A, B, and C) for the jumbo size of a new liquid laundry detergent was carried out using a randomized block experimental design, with supermarkets as blocks. Specifically, four supermarkets were supplied with all three-bottle designs, which were priced the same
Figure out 1). H0 and H1 and 1). the decision rule. The Andersons Super Dollar had two grocery stores in Erie, Pennsylvania. The mean time customers wait in the checkout line at the Byrne Road store is 3.7 minute with a standard deviation of .8 minutes, for a sample of 40 customers. The mean waiting time for the I-
The presence of harmful insects in farm fields is detected by erecting boards covered with a sticky substance and then examining the insects trapped on the board. To investigate which colors are the most attractive to cereal leaf beetles, researchers place six boards of each of four colors in a field of oats. The table bel
The types of raw material used to construct stone tools found at the archaeological site Casa del rito are shown below (Bandelier Archaelogical Excavation Project, edited by Kohler and Root). A random sample of 1946 stone tools was obtained from a current excavation site. SEE ATTACHMENT Use a 5% level of significant to te
"The output of an estimated regression equation shows the t-statistic for a given coefficient associated with an independent variable to be 1.99." Explain the implications of this statement in the context of ordinary least squares regression? Be sure your answer includes a discussion of hypothesis testing.
6. The manufacturer of a particular all-season tire claims that the tires last for 22,000 miles. After purchasing the tires you discover that yours did not last the full 22,000 miles. Suppose that a sample of 100 tires made by that manufactures lasted on average 21,819 miles with a sample standard deviation of 1,295 miles. I
4. Consider the following scenario: Thomas Kaczy, owner of Hamilton Poultry, a national poultry distributor, based in New Hampshire, reported data on high egg production of Rhode Island Red hens. The number of eggs produced were 25, 28, 17, 26, 27, 22, 25, and 30. He was interested in determining if he could conclude that th
Test suggests that the average client loses 15 lbs during the first month feels the actual number of pounds loss is less than this tested the claim by selecting 30 of the clients at random and obtain the following data: Pounsd lost during the 1st Month: 16 20 14 15 14 18 19 20 09 13 20 11 12 18 13 17 11 21
A stockbroker at Critical Securities reported that the mean rate of return on a sample of 10 oil stocks was 12.6 percent with a standard deviation of 3.9 percent. The mean rate of return on a sample of 8 utility stocks was 10.9 percent with a standard deviation of 3.5 percent. At the .05 significance level, can we conclude tha
For the sample of 32 lg us cities the correlation between the mean # of sq ft per office worker and the mean monthly rental rate in the central business district is the -.363 at the .05 significance level can we conclude that there is a negative association in the population between the two varaibles?
A compute manufacturer is about to unveil a new,faster PC.The new PC is faster but intial tests incidcate there is more variation in the processing time. The processing time depends on the particluar program being run, the amount of input data and the amt of output. A sample of 16 computer runs,covering a range of production job
A real estate agent wants to compare the variation in the selling price of homes on the oceanfront with those 3 blocks away A sample of 21 oceanfront homes sold within the last year revealed the standard deviation of the selling prices was 45,600. A sample of 18 homes also sold within the last year, that were one to three blocks
Tourism is one consideration for CoffeeTime's future, A survey of 1,233 visitors to Mumbai last year revealed that 110 visited a small cafe during their visit. Laura claims that 10% of tourists will include a visit to a cafe. Use a 0.05 significance level to test her claim. Would it be wise for her to use that claim in trying
An airline promotion to business travelers was based on the assumption that over two-thirds of business travelers use a laptop computer on overnight business trips. What can you conclude based on the results of an American Express on-line survey that reported 355 of 546 business travelers using a laptop computer on overnight bus
The Human Resources Director of Wayjacks Inc. has administered a dexterity test to job applicants for a period of several years. She assumes that the times required to complete the task are distributed with a mean of 10.8 minutes. The Director would like to know if applicants who have completed a vocational course tend to compl
An auditor for a government agency is assigned to the task of evaluating reimbursement for office visits to doctors paid by Medicare. The audit is to be conducted for all Medicare payments in a particular area during a certain month. An audit is conducted on a sample of 75 of the reimbursements with the following results. Ave
The manager of a big travel agency monitors agents who do booking for service by phone. The average time for a phone call, in seconds, is used as one summary of activity for the agency. Phone calls that are in excess of the 18.6 minutes are considered to be inefficient since they tend to tie up phone lines and in the long run
A) Use the data to develop an estimated regression that could be used to predict the median price for a market given the median income for the market. b) Use the t test determine whether the median sale price is realted to the median income. What is your conclusion at the 0.05 level of significance? c) Did the estimated regres
A) Write the estimated regression equation. b) Comput the F statistic and test the significance of the relationship at the 0.05 level of significance... (See attachment for full background and all questions)
I had another web site do this class and they got a 50 percent on the pretest. Please do better. Question 1 (5 points) A toy manufacturer produces battery-operated games. A random sample of 25 games averaged 15 operating hours on a set of batteries, with a standard deviation of 1.6 hours. Calculate the interval estimat
You are the manager of a factory that produces Mini-Oats Cereal. The factory has an automated packaging machine that can be set at any targeted fill level between 12 and 32 ounces. Every box of cereal is not expected to contain exactly the targeted weight, but the average of all boxes filled should. At the end of every shift (8
Question 1 (5 points) A toy manufacturer produces battery-operated games. A random sample of 25 games averaged 15 operating hours on a set of batteries, with a standard deviation of 1.6 hours. Calculate the interval estimate with 95 percent confidence for the average operating time on a set of batteries for all of the ma
Question 1 (5 points) A toy manufacturer produces battery-operated games. A random sample of 25 games averaged 15 operating hours on a set of batteries, with a standard deviation of 1.6 hours. Calculate the interval estimate with 95 percent confidence for the average operating time on a set of batteries for all of the ma
Shawn and Kevin, two young men in their mid-twenties, have been close friends since they met during their college years. They share numerous similar interests and greatly enjoy each other's company. Kevin gratefully acknowledges to himself that Shawn has been a fine friend in every respect that counts. Shawn has listened patient
Only for above OTA's. All others will be called in. Thank you. I am having a lot of trouble understanding statistics even thoughI have studied. In an attempt to pull the pieces together,I am looking for the following to be explained. Please only accept this if you are willing to take the time to explain clearly all, a-f for eac
A marketing firm wants to know the proportion of Sox fans in the Chicago area within a margin of error of 8 percentage points How many people must they survey to be 99% confident that the true population proportion for the Chicago area is within this margin of error? (No prior knowledge regarding proportion is available).
Attachment In the Past is in Jpeg format. Please show how you devrived at your solutions.This helps me to understand.