User Account

All Pages

Which group had the greatest interquartile range

Assignment Help Basic Statistics
Reference no: EM131712442

Question: Reading scores. A class of fourth graders takes a diagnostic reading test, and the scores are reported by reading grade level. The 5-number summaries for the 14 boys and 11 girls are shown:

Boys:      2.0      3.9     4.3    4.9     6.0

Girls:       2.8      3.8     4.5    5.2     5.9

a) Which group had the highest score?

b) Which group had the greatest range?

c) Which group had the greatest interquartile range?

d) Which group s scores appear to be more skewed? Explain.

e) Which group generally did better on the test? Explain.

f) If the mean reading level for boys was 4.2 and for girls was 4.6, what is the overall mean for the class?

Reference no: EM131712442

Questions Cloud

Why aspirin is more soluble in ethanol than in water : Explain why aspirin is more soluble in ethanol than in water. For either of these solvents explain why it would be a better choice as a recrystallization
Three reference samples for solubility : Predict a melting point if you combined and mixed 10 mg each of the three reference samples for solubility (naphthalene, benzoic acid and benzophenone).
Compare and contrast average speed and constant speed : Can the displacement of an object be greater than the distance traveled? Explain. Compare and contrast average speed and constant speed
Discuss role of communities of practice on work performance : Changing a work process without considering the role of communities of practice on work performance
Which group had the greatest interquartile range : Reading scores. A class of fourth graders takes a diagnostic reading test, and the scores are reported by reading grade level. The 5-number summaries.
What is the accounting equation : What is the Accounting Equation? What are debits and credits? How do they affect the accounting equation?
Explain key elements of training and development geared : Explain key elements of training and development geared toward improving the performance of the specific small business for which you are consulting.
Define how can psychological needs cause behavior : How can psychological needs cause behavior? If psychological needs have presumptive brain or physiological correlates, are they still psychological needs
Concentration of the student naoh solution : In carrying out the ?rst standardization in this experiment, a student used 0.5899 g of potassium hydrogen phthalate (KHP) and 24.81 mL of a NaOH solution

Reviews

Write a Review

Basic Statistics Questions & Answers

  Stating decision rule for significance level

State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)

  What probabilities correspond to the decision rules

let X have one of the following distributions: if the prior probabilities are P(H0)= P(HA) which outcomes favor H0? What prior probabilities correspond to the decision rules with a= 0.2 and a =0.5

  What is the level of significance

What is the level of significance? State the null and alternate hypotheses. Will you use a left-tailed, right-tailed, or two-tailed test?

  United states faces a serious energy crisis

Assume that the United States faces a serious energy crisis. Turmoil in the Middle East has disrupted that supply and domestic reserves

  In order to estimate the difference in the yearly incomes

in order to estimate the difference in the yearly incomes of marketing managers in the east and west of the united

  Dialogue between andrew jackson and henry clay

Construct a dialogue between Andrew Jackson and Henry clay. What kind of conversation would they have? What would they talk about?

  Six sigma tools for testing statistical significance

Suppose you want to know if a new design of a product is actually better than the current product. For example, your design team is working on increasing the speed of the KX Speed Drill

  Figure out the amounts of the two missing checks

Your bank sends you a summary statement, giving the average amount of all checks you wrote during the month.- Using this and the information provided by the bank, can you figure out the amounts of the two missing checks?

  Statistics-listerine tartar control tooth paste

A tube of Listerine Tartar Control tooth paste contains 4.2 ounces. As people use the tooth paste, the amount remaining in any tube is random.

  Draw a picture of the distribution

Refer to given Exercise about hours of sleep per night for college students. Draw a picture of the distribution. Indicate the locations of the three intervals found in Exercise. Use given Figure for guidance.

  Standard normal values

Let Z be a standard normal random variable. Use the calculator provided to determine the value of c  such that

  What is the approximate margin of error

What is the approximate margin of error that accompanies this result?- What is the interval that is 95% certain to contain the actual proportion of people in this age group who have seen a ghost?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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