What would be the diagnostically meaningful cutoff

Assignment Help Basic Statistics
Reference no: EM132137026

A certain diagnostic test is indicative of problems only if a child scores in the lowest 10% of those taking the test (the 10th percentile). If the mean score is 150 with a standard deviation of 30, what would be the diagnostically meaningful cutoff?

Reference no: EM132137026

Questions Cloud

Expand and construct the table adding columns : 1. Consider the following data on distances traveled by 60 people to visit the local amusement park.
Suppose x is a normal random variable : Suppose X is a normal random variable with mean µ = 54 and standard deviation s =8.? Compute P(X > 42). (Round to four decimal places.)
Binomial random variable : If x is a binomial random variable where n = 100 and p = 0.2, find the probability that x is less than or equal to 15 using the normal approximation
What is the relative risk of a heart attack : a) How much lower is the risk of a heart attack for those who took aspirin in the study? b) What is the relative risk of a heart attack?
What would be the diagnostically meaningful cutoff : If the mean score is 150 with a standard deviation of 30, what would be the diagnostically meaningful cutoff?
What is the probability that the combined weight : a. What is the probability that the combined weight of 100 randomly selected cars will exceed the maximum weight? How is this performed in R?
Find the? p-value and critical? value : Assume that the significance level is alpha equals a=0.05. Use the given statement and find the? P-value and critical? value(s).
What proportion of students scored outside : What proportion of students scored outside of the area between scores 66 and 86?
Confidence interval for the temperature : What would be the 95% confidence interval for the temperature of your cup of coffee?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probability-transact business in a foreign language

What is the probability that none can transact business in a foreign language?

  A group of 50 randomly selected iupui students were asked

a recent poll found that 73 of 18-29 year-ols said they were registered to vote. a group of 50 randomly selected iupui

  Knowledge regarding hypothesis testing

An experimental surgical procedure is being studied as an alternative to the old method. Both methods are considered safe. Five surgeons perform the operation on two patients matched by age, sex, and other relevant factors

  Randomized block design

Either summarize your design or give an appropriate layout with table.

  Which requirements are a bit dubious in setting

What do the data appear to show? Check the conditions for one-way ANOVA. Which requirements are a bit dubious in this setting?

  Anova analysis done on a dataset of apgar scores

The following output comes from a 2x2 factorial ANOVA analysis done on a dataset of Apgar scores. Apgar scores are a method for quickly and reliably summarizing the health of a newborn infant (lower scores indicate worse health, higher scores indi..

  Chick survivability in captive california condors

In "Egg Size, Fertility, Hatchability, and Chick Survivability in Captive California Condors," published in the journal Zoo Biology in 2005, researchers

  Compute the median and mean scores for these data

A sample of 25 freshmen at a major university completed a survey that measured their degree of racial prejudice (the higher the score, the greater the prejudice

  Confidence intervals and interval estimates

Identify a business situation where you might want to make an estimate. For example, you might want to estimate the mean dollar amount spent by customers at a retail store.

  Can the null hypothesis be rejected using conclusion

State the hypotheses that will help us determine whether a change occurred in the mean length of a work week. At a = .05 can the null hypothesis be rejected? What is your conclusion?

  Report the test statistic and p-value

Report the test statistic and p-value. What is your decision and conclusion? State any assumptions you have made. Are these assumptions satisfied with these data?

  For a sample of 15 pga tour players compute the standard

twelve of the top 20 finishers in the 2009 pga championship at hazeltine national golf club in chaska minnesota used a

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