Question: A researcher obtained a set of scores and has made a frequency polygon for the distribution.The distribution is symmetric, has the highest percentage of scores

A researcher obtained a set of scores and has made a frequency polygon for the distribution.The distribution is symmetric, has the highest percentage of scores occurring at the midpoint, and the frequency of scores decreases as it moves away from the midpoint. The distribution is which of the following?
a. Normally distributed
b. Not normally distributed
c. May be normally distributed
d. Not enough information to tell

Step by Step Solution

★★★★★

3.40 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

c May ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Using Interpreting Statistics Questions!

Justin Matthews is a waiter at the Duluxe Lounge. In his first weekly pay in March, he earned $300.00 for the 40 hours he worked. In addition, he reports his tips for February to his employer...

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). a. Compute the median and mean...

Construct a histogram and a frequency polygon for the following data. Class Interval Frequency 30under 32 .......... 5 32under 34 .......... 7 34under 36 ..........15 36under 38 ..........21 38under...

Construct a histogram and a frequency polygon for the following data. Class Interval Frequency 10under 20 ........ 9 20under 30 ........ 7 30under 40 ........10 40under 50 ........ 6 50under 60...

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

Describing Data Once we have collected data from surveys or experiments, we need to summarize and present the data in a way that will be meaningful to the reader. We will begin with graphical...

STAB22H3 Statistics I 2020 1.A researcher used a linear regression model to investigate the relationship between sexually transmitted disease rate (y) and poverty rate (x) in the U.S.A. The...

Answer the following True/False, Multiple Choice, Fill in blank as QUICKLY AS POSSIBLE*. Please let them be correct answers. No explanation needed. 1 When conducting a one-sample t test, if a sample...

PSYC 354 HOMEWORK 3 Central Tendency and Variability When submitting this file, be sure the filename includes your full name, course and section. Example: HW3_JohnDoe_354B01 Be sure you have reviewed...

4G 4G 12:13 77% D. M7 AL1 Activitie E Q DEVELOP At this point, let us see how well you understood what have been presented in the preceding sections. 1. Consider the table showing the results of a...

1of 50 When conducting research, descriptive statistics are completed before inferential statistics. True False Question 2of 50 If you are doing a study on the amount of money students have in debt...

The RELATIONSHIP APPLICATION describing the brand extension initiatives of Virgin Group indicates entry into many new markets, several of which are unrelated. Have the different markets created any...

How does an investor in common stocks reconcile the large variability in stock returns, and the big drops that have occurred, with taking a prudent position in owning a portfolio of financial assets?

An investment of $115 generates after-tax cash flows of $50 in Year 1, $90 in Year 2, and $150 in Year 3. The required rate of return is 20 percent. The net present value is closest to $39.03....

d. Discuss the extent to which there is a linear relationship between income and home price.

As of May 2016 the U.S. government owes $19,190,059,553,782. To whom does the U.S. government owe money? The list is shown below (in $billions). Use a graphical technique to depict these figures....

Refer to Exercise 2.55. Here is a list of the top 10 foreign governments that own the U.S. debt (in order of magnitude). Depict these figures with a graph. Government Debt China, mainland 1,254.8...

June 7 is known as Tax Freedom day in Canada. The annual taxes paid by an average Canadian family earning $105,236 is $45,167. The breakdown of these taxes is shown in the table below. Use an...

Suppose your company needs to raise $10 million to construct a new office building at an expanded manufacturing site. As CFO, you plan to raise the money by selling 30-year $1,000 par value bonds...

In the deal below, assume p=0.5 and a decision maker with an exponential u-curve and a risk-aversion coefficient ? = 0.001. I.e. the equation for the u-curve is ( ) , 0. x u x a be b ?? = + ? Plot...

4) A financial institution has just bought 9-month European call options on the Chinese yuan. Suppose that the spot exchange rate is 14 cents per yuan, the exercise price is 15 cents per yuan, the...