Assignment #1
... 3. What is the z-score of a data value that is 0.5 standard deviations above the mean? In what percentile is that data value? 4. What is the z-score of a data value that is 1.9 standard deviations below the mean? In what percentile is that data value? 5. Suppose that the scores on the Graduate Recor ...
... 3. What is the z-score of a data value that is 0.5 standard deviations above the mean? In what percentile is that data value? 4. What is the z-score of a data value that is 1.9 standard deviations below the mean? In what percentile is that data value? 5. Suppose that the scores on the Graduate Recor ...
Chapter 5
... If there is a legitimate reason for a mistake in the data, disregard the outlier and give your reason for doing so. If there are any clear outliers and you cant tell if they are errors or not, it is best to report the mean and standard deviation with the outliers present and with the outliers re ...
... If there is a legitimate reason for a mistake in the data, disregard the outlier and give your reason for doing so. If there are any clear outliers and you cant tell if they are errors or not, it is best to report the mean and standard deviation with the outliers present and with the outliers re ...
Year 5 Diagnostic
... Use the graph below to answer questions a and b. Graph showing number of insect species collected in the playground in one year. ...
... Use the graph below to answer questions a and b. Graph showing number of insect species collected in the playground in one year. ...
Data Collection and Analysis
... – Numerical data in which the numbers denote the amount of presence / absence of a trait. – zero point does not necessarily mean complete absence of the trait – In-between numbers make sense – Magnitude of difference between numbers of the scale is constant. – All descriptive and inferential statist ...
... – Numerical data in which the numbers denote the amount of presence / absence of a trait. – zero point does not necessarily mean complete absence of the trait – In-between numbers make sense – Magnitude of difference between numbers of the scale is constant. – All descriptive and inferential statist ...
Probability - | CPALMS.org
... process. For example, find the approximate probability that a spinning penny will land heads up or that a tossed paper cup will land open-end down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies? Calculate the expected value of a random variable; ...
... process. For example, find the approximate probability that a spinning penny will land heads up or that a tossed paper cup will land open-end down. Do the outcomes for the spinning penny appear to be equally likely based on the observed frequencies? Calculate the expected value of a random variable; ...
STAT-202, Basic Statistics Exam I
... included in this study), according to the United Nations for year 1995. For example, the highest illiteracy rate was 72%, in the African country Burkina Faso. ...
... included in this study), according to the United Nations for year 1995. For example, the highest illiteracy rate was 72%, in the African country Burkina Faso. ...
The Role of the Statistician in Clinical Research Teams
... • Analysis Plan – Statistical method for EACH aim – Account for type I and type II errors – Stratifications or adjustments are included if necessary – Simpler is often better – Loss to follow-up: missing data? ...
... • Analysis Plan – Statistical method for EACH aim – Account for type I and type II errors – Stratifications or adjustments are included if necessary – Simpler is often better – Loss to follow-up: missing data? ...
Theories - Illinois State University Department of Psychology
... Reporting your results The observed differences Kind of test Computed F-ratio Degrees of freedom for the test The “p-value” of the test Any post-hoc or planned comparison results “The mean score of Group A was 12, Group B was 25, and Group C was 27. A 1-way ANOVA was conducted and the resu ...
... Reporting your results The observed differences Kind of test Computed F-ratio Degrees of freedom for the test The “p-value” of the test Any post-hoc or planned comparison results “The mean score of Group A was 12, Group B was 25, and Group C was 27. A 1-way ANOVA was conducted and the resu ...
challenges for teaching statistics
... available for working with teachers is scarce, some papers (e.g., Godino et al., 2008; Batanero & Díaz, 2010) suggested that a formative cycle where teachers are first given a statistical project and then carry out a didactical analysis of the project can help to simultaneously increase the teachers ...
... available for working with teachers is scarce, some papers (e.g., Godino et al., 2008; Batanero & Díaz, 2010) suggested that a formative cycle where teachers are first given a statistical project and then carry out a didactical analysis of the project can help to simultaneously increase the teachers ...
