Independent Project Description
This is a test to see how accurate and creative you can be with a common dataset. Use the data set supplied (hypertension, diabetes, cholesterol in subjects, including medication, weight, age, etc) in Docsharing and using Excel, provide the following for the variable(s) of your choice: 1. Frequency distribution of a variable and bar graph of the same variable 2. Descriptive statistics of a continuous dataset: mean, median, mode, skewness, kurtosis, standard deviation 3. Cross tabulation of two variables

4. Comparison of the effect of three or more groups (single variable) on a single continuous variable 5. Scatterplot of two continuous variables
6. Correlation between the two continuous variables
______________
HERE ARE MORE SPECIFIC DETAILS:
1. Frequency distribution bar graph (as in Week #1) – nominal or ordinal variables (Polit, p. 25) 2. Continuous variable descriptive stats: mean, median, mode, skewness, kurtosis, SD – (as in Week #1 Simple Descriptive Excel Worksheet) – requires a continuous variable, e.g., bp, wt, ht 3. Cross tabulation of two variables – requires making a table (as per Polit pp. 59-61) using nominal variables or groups, e.g., yes or no; on meds or not on meds; married or not married, etc. (Week #2) 4. Comparison of the effect of three or more groups (single variable) on a single continuous variable – this is a One-Way ANOVA with groups, e.g., ed status, medication status, etc. (see Polit pp. 142-146). (We did this in Week #2) 5. Scatterplot of two continuous variables (as Week #1) – We did this - need 2 continuous variables as IV (X) versus DV (Y); recall that the IV causes the outcome DV. 6. Correlation between the two continuous variables (from #5) – Pearson’s r, R2, and z –transform statistic Polit, Chpt. 4, pp. 71-72; Chpt. 9, pp. 197-205 – Week #4). ________________

Think carefully about what kind of variables to choose for the given tasks. A...

...charity work?
b) Are the events “being female and occasionally involved in charity work” and “being frequently involved in charity work” mutually exclusive?
yes
6. A company gave psychological tests to perspective employees. The random variable x represents the possible test scores.
a) Use the histogram to find the probability that a person selected at random from the survey’s sample had a test score of more than two.
b) Find the probability that the...

...
Frequency Distributions
This assignment is based on Frequency Distributions and will include the following information:
1. The ability to describe the information provided by the StandardDeviation.
2. The ability to use the StandardDeviation to calculate the percentage of occurrence of a variable either above or below a particular value.
3. The ability to describe a normal distribution as evidenced by a...

...Deviation
Definition:
Behavior commonly seen in children that is the result of some obstacle to normal development such behavior may be commonly understand as negative (a timid child, a destructive child) or positive (a quite child), both positive and negative deviation will disappear once the child begins to concentrate on a piece of work freely chosen by him.
The physical deforms are easier to identify. This can be by birth due to an accident...

...I'll be honest. Standarddeviation is a more difficult concept than the others we've covered. And unless you are writing for a specialized, professional audience, you'll probably never use the words "standarddeviation" in a story. But that doesn't mean you should ignore this concept.
The standarddeviation is kind of the "mean of the mean," and often can help you find the story behind the data. To...

...StandardDeviation (continued)
L.O.: To find the mean and standarddeviation from a frequency table.
The formula for the standarddeviation of a set of data is [pic]
Recap question
A sample of 60 matchboxes gave the following results for the variable x (the number of matches in a box):
[pic].
Calculate the mean and standarddeviation for x....

...StandardDeviation
objective
• Describe standarddeviation and
it’s importance in biostatistics.
Measure of Dispersion
• Indicates how widely the scores
are dispersed around the central
point (or mean.)
-StandarddeviationStandardDeviation.
• The most commonly used method
of dispersion in oral hygiene.
• The larger the standarddeviation,
the...

...Case 2: Gulf Real Estate Properties. Please provide a Managerial Report that includes: 1. Appropriate descriptive statistics to summarize each of the three variables for the forty Gulf View condominiums 2. Appropriate descriptive statistics to summarize each of the three variables for the eighteen No-Gulf View condominiums 3. Comparison of your summary results from #1 & #2. Discuss any specific statistical results that would help a real estate agent understand...

...have asked me to recommend three quantitative objects that ought to be tracked about every client that calls and/or their conduct about snack foods and specify whether the variables are continuous or discrete. We will begin by discussing what quantitative data/research is, define discrete variables, define continuousvariables, and I will provide my three recommendations. (CTU Online 2014)
II. Quantitative Data/Research...

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