Find the mean and standard deviation of the total score

Assignment Help Mathematics
Reference no: EM1321282

Question1: A stat exam consists of thirty true or false questions and 40 multiple choice questions with five answer options. The total score is the number of true/false items correct plus twice the number of multiple choice items correct. Calculate the mean and the standard deviation of the total score?

Reference no: EM1321282

Questions Cloud

Find the best statistical analysis technique : Name the inferential statistical test that would be used for the method of training and why?
The mean pcb concentration for fish the lake exceeds 5 ppb : The mean PCB concentration for fish the lake exceeds 5 ppb
Significant difference between the two mean scores : Obtain a test statistic and p-value assuming equal variances. Interpret these results.
Obtaining a test statistic and p-value : Obtain a test statistic and p-value. Interpret the results at = .01.
Find the mean and standard deviation of the total score : Calculate the mean and the standard deviation of the total score?
Trucks significantly having lower accident rate : Test the proportions of yellow fire trucks have a significantly lower accident rate.
Find the required sample size required : Find the required sample size required
Preferable purchase of laptop : Jerry Eller purchases a laptop computer for $995 from the local Preferable Purchase electronics store. He charges the $995 amount on Preferable Purchase "instant credit," and the store has guaranteed him no finance charges
Violation of the guideline for average patient : Does this sample prove a violation of the guideline that the average patient should pay no more than $250 out-of-pocket?

Reviews

Write a Review

Mathematics Questions & Answers

  Find the probability that a loaf is smaller

Find the probability that a loaf is smaller than twenty-three ounces?

  Test the hypothesis for single proportion

Test the hypothesis for single proportion.

  Use the equation of least squares line to predict percentage

Use the equation of least squares line to predict percentage

  What are the sensitivity limits for the constraints

Linear programming - What are the sensitivity limits for the constraints

  Using the window setting to make a graph

Using the window setting to make a graph.

  Make a new variable by computing the difference

Make a new variable called COFFDIFF by computing the difference in the number of coffee drinks per week for each twin pair.

  Find the independent and dependent variable

Find the independent and dependent variable

  Differential equations with initial conditions

Differential equations with initial conditions - Evaluate and graph the solution, and indicate whether the solution makes sense for all time.

  Find the ratio of nurses to doctors

One month ago the ratio of nurses to doctors on a hospital staff was 3:5. Since that time two additional nurses joined the staff, no nurses left & the number of doctors remained the same.  Find the ratio of nurses to doctors.

  Framing algebraic equations

Framing algebraic equations

  Get an accurate graph of the function

Graph of the function - Get an accurate graph of the function.

  Calculate a 95% confidence interval for the population mean

Calculate a 95 percent confidence interval for the population mean

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd