TERST BABNK FOR Exploring Psychology Tenth Edition by David G. Myers ISBN 978-1464154072 COMPLETE GUIDE WITH RATIONALES 100% VERIFIED A+ GRADE ASSURED!!!!!!NEW LATEST UPDATE!!!!!

,Five students received the following test scores: 7, 11, 5, 6, and 11. Calculate the mode, med
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ian, mean, and range of this distribution of scores. Which measure of central tendency
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would change the most if an additional test score of 2 were included in the distribution?
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The table lists the scores of eight students on a test to measure anxiety, as well as the typi
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cal number of cigarettes each person smokes daily. Scores on the anxiety test can range
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anywhere from a low of 0 (indicating very low anxiety) to a high of 30 (indicating very
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high anxiety). NM




Anxiety Cigarettes Sm NM NM




Student Test Score oked Daily NM NM




1 8 11
2 9 3
3 15 11
4 14 16
5 21 26
6 12 10
7 22 24
8 17 18

Construct a scatterplot to represent the correlation between smoking and anxiety. Descri
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be the direction of the correlation and give two possible explanations for it.
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At Michigan State University, 32 students are enrolled in class A, 48 students are enroll
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ed in class B, and 16 students are enrolled in class C. For which of these three classe
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s is there the greatest probability that more than 75 percent of the students have blon
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d hair?
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Explain your answer and indicate why this explanation has relevance for NM NM NM NM NM NM NM NM NM NM NM




generalizing appropriately from samples to the larger populations in which you are i
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nterested.




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,Answer Key
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1.
2.
3.




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, 1. The average price for different brands of toothpaste could be visually displayed
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in a(n) NM




correlation coefficient. NM NM




scatterplot.
standard deviation. b NM NM




ar graph.
NM




2. When you read a bar graph, it is most important for you to
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Mmentally transform the data into a normal curve.
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identify the value of the standard deviation. no
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te the range and size of the scale values. reme
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mber that correlation facilitates prediction.
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3. The most frequently occurring score in a distribution of scores is the
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mode.
median.
standard deviation. me NM NM




an.


4. In a group of five individuals, two report annual incomes of $10,000, and the
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other three report incomes of $14,000, $15,000, and $31,000, respectively. The
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mode of this group's distribution of annual incomes is
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$10,000.
$15,000.
$16,000.
$31,000.


5. The mean of a distribution of scores is the
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most frequently occurring score.
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arithmetic average of all the scores. l
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east frequently occurring score.
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score exceeded by 50 percent of all the scores.
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6. Which measure of central tendency is used to calculate the average of your
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school grades? NM




standard deviation med NM NM




ian
mean N




mod
M




e




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