1. An overview of hypothesis testing nuts in a 8-oz can of cashews varies a ittl
ID: 3335449 • Letter: 1
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1. An overview of hypothesis testing nuts in a 8-oz can of cashews varies a ittle, but the filing machines are designed to, and do, dispense a mean amount of 8 oz per can at Pianters Nuts across the The are, on average, computes the Depending on the ra customer advocacy group wants to know whether the filling machines at the Ohio plant underfiling the 8-ot cans of cashews. She randomly samples 400 cans from the r results of the test, she makes a decision on whether the machines require adjusbn mean weight of the sample (7.4 oz), and uses the sample result to conduct a hypoth tne ine, Use the information presented in the preceding description to complete the following figure. Same or difflerent Ali U.S. cashews All On cashews Sample is selected from the population of all OH cashews Sample Is the difference between and statistically significant? mean of the OH cashews to the mean of the entire U.S. cashews. If she had The researcher wants to compare the the mean of The null hypothesis Ho is formulated as: both groups, she could answer the questions easily. But she doesn't have the time or money to do that. Ho: = 8 researcher finds that X-8. Given the logic of hypothesis testing, what are the two possible Let's say that the explanations for this difference? The observed difference between the sample and the population of us. cashews means was caused by mere random chance. The population of the OH cashews is different from that of the us. cashews. There is no important difference between the sample and the OH cashews. WN 23.00 162 2004.2016 Apia Arrights reserved. Grade it Now Q33341Explanation / Answer
The graduate student either reject H0, or fail to reject H0. The choices are 1st (fail to reject H0) and 4th (reject H0).
If the test statistic do not fall in critical region, the graduate student cannot reject H0.
The test statistic donot fall in critical region, the graduate student cannot reject null hypothesis and cannot conclude that contrast between level of lip colour and skin tone, affects how feminine a face is considered.
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