Determine the highest score earned on the exam

Assignment Help Basic Statistics
Reference no: EM13112685

For a particular sample of 80 scores on a psychology exam, the following results were obtained.
First quartile = 65 Third quartile = 98 Standard deviation = 8 Range = 56
Mean = 83 Median = 81 Mode = 59 Midrange = 64

Answer each of the following:

I. What score was earned by more students than any other score? Why?
II. What was the highest score earned on the exam?
III. What was the lowest score earned on the exam?
IV. According to Chebyshev's Theorem, how many students scored between 67 and 99?
V. Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 67 and 99?

Reference no: EM13112685

Questions Cloud

Explain the role of the dollar under bretton woods system : With respect to a nation with a $100-million quota in the IMF, indicate explain how the nation was to pay in its quota to the IMF and the amount that the nation could borrow in any one year under the original rules.
Utilize each of these pathways : B-oxidation can occur via several pathways. Birds can breakdown amino acids via mitochondrial B-oxidation, peroxisomal B-oxidation, and glyoxysomal B-oxidation. Rank the energy production of these methods of B-oxidation from high to low.
Determine the minimum mass of water : The evaporation of water H2O(l) ->H2O(g) is endothermic: Change in T degree +44.01 kJ Determine the minimum mass of water (in ) has to evaporate to absorb 183 joules of heat?
How many chromosomes would be present : If the original cell had a diploid number of 16, how many chromosomes would be present in each resultant cell after meiosis?
Determine the highest score earned on the exam : What score was earned by more students than any other score? Why? What was the highest score earned on the exam?
Describe the relation between marginal and average costs : Describe the relation between marginal and average costs.  Describe the relation between marginal and average fixed costs and between marginal and average variable costs and what best accounts for the saying "Too many cooks spoil the broth?"
Interfacial tension of the solid liquid interface change : A nonelectrolyte solution adsorbs on an electrically neutral solid through a liquid. Two surfaces of this type are brought close to one another in the liquid such that they interact.
Explain how might someone attitude towards pink change : Explain how both positive and negative consumer attitudes toward a brand like Pink develop? Explain how might someone's attitude towards Pink change?
Why do we know that fathers were not homozygous agouti : You receive a set of pregnant brown mice. You know that the mothers are doubly heterozygous (heterozygous at both the coat color and albinism loci) and that the fathers were albino.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Conclusion in nontechnical terms

Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

  The standard error of the difference in sample means

Find the standard error of the difference in sample means,

  Sampling distribution of sample means

Repeat this process 10 times or you can draw 10 samples simultaneously using StatTools. Make a histogram of the 10 values of sample means. You are constructing the sampling distribution of sample means. What is the center of your histogram?

  Baseline system containg of a single element

An element E has a constant failure rate λ and a reliability at time t of R(t)=p, if p=0.5 and 0.9, what is the effect on Rs(t), basic reliability, serial Mean Time Between Failure, hs(t), MTBFs if additional elements are added to the baseline sys..

  Determine probability that pregnancy lies between days

Determine the probability that pregnancy will (a) last more than 300 days; (b) less than 240 days; (c) between 250 and 282 days.

  What is the degree of confidence used

In as sample of 855 bartenders, 48% report hearing complaints from patrons about their jobs. If the maximum error of estimate for the proportion of bartenders hearing job complaints is 4.4 percentage points, what is the degree of confidence used?

  Process mean and standard deviation

If the process mean and standard deviation remain constant, what proportion of the output from this process will be defective?

  Using original data and estimate population standard

Using the original data, estimate the population standard deviation with 90% probability.

  Meaning of the y-intercept

nterpret the meaning of the y-intercept, b(0), and the slope, b(1), in this problem. Use the prediction line developed in (a) to predict the GPA for a student a GMAT score of 600

  Hypothesis to test the claim averaging

Formulating null and alternative hypothesis to test the claim averaging about $5000.

  Determining expected value of a random variable

Suppose you want to sell your house and you have decided to accept the first offer exceeding M dollars, say. Assume that the offers are i.i.d. with common distribution F. Find the expected number of offers received before selling the house.

  Advantage in stating the hypothesis

There is an advantage in stating the hypothesis both in the null and in the alternative; it adds clarity to our thinking of what we are testing. Explain.

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