Student academic performance across grade schools

Assignment Help Basic Statistics
Reference no: EM13100684

A researcher demonstrated a correlation of r = 0.60 between teacher attire and student academic performance across 150 grade schools in her state. She concluded that encouraging teachers to be properly attired will increase academic performance. Do you agree or disagree with her conclusion? Why?

Reference no: EM13100684

Questions Cloud

Compare the gravitational lens to the one found in telescope : Compare the gravitational lens to the one found in a telescope.
Establish control limits for sample means : At Isogen pharmaceuticals the filling process for its asthma inhaler is set to dispense 150 milliliters of steroid solution per container. The average range for a sample of 4 containers is 3ml.
Question about master production schedule : Chester's Chippers makes oversized golf clubs. The company president has asked you to show her how master scheduling techniques could be applied to her busi­ness.
Would you except density to be a vector : Density is the ratio of an object;s mass to its volume. Would you except density to be a vector or a sdcalar quanity? Explain.
Student academic performance across grade schools : A researcher demonstrated a correlation of r = 0.60 between teacher attire and student academic performance across 150 grade schools in her state.
Create algorithm and flowchart for amount to be doubled : Create the algorithm and the corresponding flowchart which print out after how many years will this amount be doubled.
Draw a motion diagram : draw a motion diagram, using the particle model, showing the cars velocity vectors as seen from a helicopter hovering over the highway.
Describe how monetary and fiscal policy affect output : What is the mechanism by which the central bank announcing an inflation target translates into an actual inflation rate and how would your answer to q1 change if households had rational expectations
Describe responsibility of the accountant : When studying accounting form a managerial perspective, rather than as a practicing accountant, what is the responsibility of the accountant?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find the associated p-value

She wants to test H0: μ = 0.5 Ha: μ ≠ 0.5 Find the associated P-value. Is the result significant at the 5% level (α = 0.05)? At the 1% level (α = 0.01)?

  Sample size for predicting the population mean

what sample size should be used in the funding decision study? Use σ = $4000 as a planning value.  ________________

  Computing expected price of common stock

You're considering an investment in the common stock of Crisp Cookware. The stock is expected to pay a dividend of $2 a share at the end of the year (D1 = $2.00). the stock has a beta equal to 0.9.

  Skewed distributions

For the following data set, indicate whether the shape of the distribution is normal, positively skewed, or negatively skewed. Provide evidence for your answer by calculating the mean, mode, and median.

  Confidence interval for the total population of students

In a class of 40, 16 driver a car made outside the United States. What is the confidence interval for the total population of students at the 95% level?

  Distribution interval or a bootstrap percentile interval

An advantage of the permutation test over the t test for a difference in means is that - distribution interval or a bootstrap percentile interval

  Process control in sqc

A process is out of control when:

  Covariance between age and number of visits

Assume we interested in relationship between the age of individual, as measured by visits. Suppose after selecting 15 members the observation:

  Gaussian copula for time to default

Suppose that bank has made a large number of loans of a certain type. The one year probability of default each loan 1.2%. The bank uses a Gaussian copula for time to default.

  Probability of drawing either a heart or a 6

If a single card is drawn from an ordinary deck of cards, what is the probability of drawing either a heart or a 6? (Answer in a fraction).

  Critical value of f test for similar level of significance

Find out  the critical value for the given degrees of freedom of the F-test also the lower-tailed critical value of F test for the similar level of significance

  Probability of selecting a class

A Statistic professsor plans classes so carefully that the lenths of her classes are uniformly distributed between 46.0 and 56.0 minutes. Find the probability that a given class runs less than 51.5 minutes. Find the probability of selecting a clas..

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