# "Null Hypothesis" Essays and Research Papers

1 - 10 of 500

### Null Hypothesis

“Accept” the Null Hypothesis by Keith M. Bower, M.S. and James A. Colton, M.S. Reprinted with permission from the American Society for Quality When performing statistical hypothesis tests such as a one-sample t-test or the AndersonDarling test for normality, an investigator will either reject or fail to reject the null hypothesis, based upon sampled data. Frequently, results in Six Sigma projects contain the verbiage “accept the null hypothesis,” which implies that the null hypothesis has been ...

Premium Statistical significance, Sample size, Statistical hypothesis testing 1012  Words | 5  Pages

### Null Hypothesis

Take Home Test 2 1. A. Null Hypothesis: There are no relations or associations among the groups’ mean scores. Alternate Hypothesis: There is a relation or association among the student’s grade point averages and “if they rather prefer to stay at home than go out with friends”. Correlations | | Grade Point Average | I would rather stay at home and read than go out with my friends | Grade Point Average | Pearson Correlation | 1 | .233 | | Sig. (2-tailed) | | .120 | | Sum of Squares...

Premium Null hypothesis, Research, Market research 1319  Words | 6  Pages

### Hypothesis Test

Saurabh Sunny Baghmar MNGT: 6361 Problem Statement: To determine if saving from the total monthly income is gender biased. Hypothesis: H0: Single Women save equal to single men from their total monthly income. (Null Hypothesis) H0 = µwomen - µmen = 0 Introduction: The thought behind this problem statement comes from the report which says that there is a huge difference between the number...

Premium Null hypothesis, Gender role, Male 796  Words | 4  Pages

### Null Hypothesis and Yellow Pages

Hypothesis Testing Paper Hypothesis Testing Paper There are many reliable sources that are readily available for researching topics, whether it is for personal or professional use. Two of these sources are known as the Internet and the Yellow Pages. Based upon the test performed, to determine if the Yellow Pages will become obsolete in the near future, the following information was found based on the hypothesis and test results that have been recorded in...

Premium Web search engine, Telephone directory, Hypothesis 1132  Words | 5  Pages

### Probability: Normal Distribution and Null Hypothesis

be contained between what two values symmetrically distributed around the mean?5.716 AND 4.283       (Homework continues next page )   Hypothesis Testing   For problems 5-7:       (a)  State the null hypothesis and research hypothesis       (b)  Perform the calculations to test that hypothesis (show work!)       (c)  State whether you reject the null hypothesis or not       (d)  Draw conclusions in plain English.   5.   A researcher knows that the average level of education of people age 25 and...

Premium Arithmetic mean, Normal distribution, Statistics 819  Words | 4  Pages

### Hypothesis Testing Analysis

Hypothesis Test Analysis Shawnda Peluaga Research and Evaluation October 30, 2006 Business Problem You are the manager of a large firm. Lately complaints have surfaced that an increased number of incoming calls are being dropped or misrouted. Yesterday, as you walked by one older employee, you noticed that he was fiddling with his hearing aid and not paying attention to the phone. A call came in and only because you were there and intervened was the call answered. This particular phone...

Premium Termination of employment, Null hypothesis, Hearing impairment 520  Words | 3  Pages

### Ia - Onion & Ox Eye Cell

sample. Table 3: Unpaired T-test of the data Null hypothesis: the size of Allium cepa cells equals to the size of Ovibos moschatus Oculi cells | Alternate hypothesis: the size of Allium cepa cells does not equal to the size of Ovibos moschatus Oculi cells | T-value: 15.4067 | Degree of freedom: 28 | Level of significance: 0.05 | T-critical: 1.701131 | The T-value is much greater than the T-critical; therefore the null hypothesis is rejected. | *Error bars are based on the standard...

Premium Plant cell, Standard deviation, Organism 1275  Words | 6  Pages

### biology

literature review search plan 2. Focusing on a research question Inductive/deductive 3. The research proposal Which type of research path? What do you examine? Variable (independent/dependent/intervening) What do you examine? Hypothesis, null hypothesis, alternative hypothesis What type of explanation? Causal explanation: you need a control experiment Avoid spuriousness How to look for patterns in the data Quantitative/qualitative data Chapter 4 How and why do samples work? Sample Population ...

Free Null hypothesis, Scientific method, Simple random sample 596  Words | 3  Pages

### Two-Point Threshold

results of the experiment support the hypothesis that the fingertips have a smaller two-point threshold than the back of the hand. It is supported by the average two-point threshold of both areas, while the fingertips have and average of 4.71mm and the back of the hand shows and average result of 22.4mm as two-point threshold which is almost five times greater compared to the average fingertip value. The T-test is a statistical hypothesis test to see if the hypothesis is supported. In this experiment...

Premium Null hypothesis, Psychology, Sample size 793  Words | 4  Pages

### A Study of Customer Preference Towards Various Stock Brokerage Firms in Indore

data analysis is ANOVA. Hypothesis Age of the Customer as an explanatory variable. 1. Null Hypothesis, (H0): There is no relationship between age of the customer and preference to the Stock-call precision. Alternate Hypothesis,(H1): There is a relationship between age of the customer and preference to the Stock-call precision. 2. Null Hypothesis, (H0): There is no relationship between age of the customer and preference to the Personal assistance. Alternate Hypothesis,(H1): There is a relationship...

Premium Null hypothesis, Stock market, Sampling 1445  Words | 6  Pages