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The State Education Department requires local school districts to keep these records on all students: age, race or ethnicity, days absent, current grade level, standardized test scores in reading and mathematics, and any disabilities or special educational needs the student may have.
Which of the following are categorical (or qualitative) variables in these records? Select all correct answers.
1. Reading Test Score
2. Race or Ethnicity
3. Disabilities or Special Needs
4. Age
5. Mathematics Test Score
6. Days Absent
7. Current Grade Level
At the .05 significance level, can she conclude that there is a difference in the mean amount of weight loss among the three diets?
suppose y is the daily revenue for some company where ey 10000 andvary 2540000 and sigmay 734.85.a if y is normally
Find the standard deviation and variance from the (population) data below. Describe your results.
What id Steve's grade point average at graduation and what is Steve's median grade point at graduation
Use an alpha level of .01 and test the hypothesis that the two methods are producing the same mean.
A new cell phone battery is being considered as a replacement for the current one. Ten college student cell phone users are selected to try each battery in their usual mix of "talk" and "standby" and to record the number of hours until recharge wa..
in a random sample of 400 residents of chattanooga 320 residents indicated that they voted for the democratic candidate
Select either the Least Squares Method, the Moving Average Method, or the Weighted Moving Average and provide step-by-step instructions you would employ to plot the associated trend line.
a population consists of the following five values 13 14 19 21 and 23.a. list all samples of size 3 and compute the
determine the confidence level for each of the following large-sample one-sided confidence bounds.a upper bound x
Students that are in the top 5% will receive a 20% off coupon at the "Crazy" cafeteria. What is the minimum number of attendance days that you should have in order to receive such discount?"
Which of the following would be most helpful in assessing the practical significance of a test of hypotheses about a proportion?
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