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A group of Brigham Young University-Idaho students (Matthew Herring, Nathan Spencer, Mark Walker, and Mark Steiner) collected data in November 2005 on the speed of vehicles traveling through a construction zone on a state highway, where the posted speed was 25 mph. The recorded speed (in mph) of 14 randomly selected vehicles is given below. You should be able to copy and paste them into Excel.1. Use Excel Data Analysis (PCs) or StatPlus (Macs) to find the mean, median, and mode of the data set.2. Assuming speeds are approximately normally distributed, use Data Analysis or StatPlus to construct a 95% confidence interval for the true mean speed of drivers in this construction zone. Interpret the interval. 3.Construct a 99% confidence interval for the true mean speed of drivers in this construction zone. Interpret the interval. 4.Compare the widths of the 95% and 99% confidence intervals.5.What conclusions do you draw about the speeds people drive in this construction zone?
To display the distribution of "countries of origin" for cars in a USCB parking lot, which type of graph could be appropriate?
Deceptive Statistics
Would there be a possibility to use the correlation coefficient to identify collocations and Compare with the Chi2 test and How could we maybe do that
Construct the product structure tree for the coffee table and all of the items required to construct the table - complete the MRP for the coffee table and all of the items required to construct the table.
Find a peer-reviewed journal article that employs the Pearson's correlation coefficient
Are they weak or strong correlations - what is the significance value and what does the significance value reveal about the data we have used?
A local ice-cream store receives an average of 3 customers per hour. Assume that the arrival events are well described by Poisson distribution. The cashier wants to leave the store to run an errand. The manager computes the expected time T between..
question 1 a gantt chart represents mainlyanswer an immediate identification of predecessor task. a record-keeping
first save this file to your computer. answer each of the following questions then resave the file along with your
And the rest of the people were from River City. Out of the sample, 19 people had some form of cancer. Thirteen of these people were from Laketown
Correlation and the corresponding p-value - Calculate Spearman's correlation by hand - Give the hazard ratio and corresponding confidence interval for treatment
What is the majority of the type of data summarized on the first page of this article and Measurement or categorical - What population value should be used with data? population mean or population proportion
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