![Revisiting a 90-Year-Old Debate: The Advantages of the Mean](http://s1.studyres.com/store/data/004195494_1-5b4d6812dab40c1b26d7f5152f34b751-300x300.png)
Exam 3 Review
... 1. For a certain group of people, the mean height is 182 cm, with a standard deviation of 11 cm. a. Anna’s height is 170 cm. What is the z-score for her height? b. Juanita’s height has a z-score of 1.4. What is her height? 2. Andy scored 20 on a math quiz. The mean score on the quiz was 16, and the ...
... 1. For a certain group of people, the mean height is 182 cm, with a standard deviation of 11 cm. a. Anna’s height is 170 cm. What is the z-score for her height? b. Juanita’s height has a z-score of 1.4. What is her height? 2. Andy scored 20 on a math quiz. The mean score on the quiz was 16, and the ...
Ways of Describing Data
... Problems with the SemiInterquartile Deviation • The semi-interquartile deviation measures the variability of only the middle 50% of the scores. • If heterogeneity of the scores or homogeneity of the scores exists in the extremes and this is different than the middle then this will not be reflected ...
... Problems with the SemiInterquartile Deviation • The semi-interquartile deviation measures the variability of only the middle 50% of the scores. • If heterogeneity of the scores or homogeneity of the scores exists in the extremes and this is different than the middle then this will not be reflected ...
Activity: Standard Deviation Student Worksheet (doc)
... *** See Technical Assistance Document for Algebra 2 for calculator keystrokes *** Explorations with Algebra 2 students Note: All exploration questions should be in the real-world context of normally distributed data sets. 1. Given a normally distributed data set with a specified mean and standard de ...
... *** See Technical Assistance Document for Algebra 2 for calculator keystrokes *** Explorations with Algebra 2 students Note: All exploration questions should be in the real-world context of normally distributed data sets. 1. Given a normally distributed data set with a specified mean and standard de ...
Estimating Geometric Means Using Data from a Complex Survey
... Estimating Geometric Means Using Data from a Complex Survey Sampling Design Overview Geometric means are widely used in a variety of scientific disciplines. They are the natural parameter of interest for a lognormal random variable because a ratio of lognormal random variables has a known lognormal ...
... Estimating Geometric Means Using Data from a Complex Survey Sampling Design Overview Geometric means are widely used in a variety of scientific disciplines. They are the natural parameter of interest for a lognormal random variable because a ratio of lognormal random variables has a known lognormal ...