п»їQuestion 1 of 20

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A scatterplot permits one to see:

A. whether there is any romantic relationship between two variables

N. what type of marriage there is between two factors

C. Both (a) and (b) will be correct

G. Neither (a) nor (b) is correct

Answer Key: C

Question two of 20

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The size of the box in the boxplot portrays the

A. imply

B. median

C. interquartile range

D. range

Solution Key: C

Question 3 of 20

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A variable can be classified since ordinal if perhaps:

A. the data arise from constant measurements

W. there is no all-natural ordering of categories

C. there is a organic ordering of categories

D. we monitor the varying through a time frame

Answer Key: C

Problem 4 of 20

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Which of the following transactions is true intended for the following data values: several, 5, six, 4, several, 8, and 12?

A. The mean, typical and method are all the same

B. The particular mean and median are equal

C. Only the mean and mode are equivalent

D. The particular mean and mode will be equal

Solution Key: A

Question a few of twenty

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Which in turn of the subsequent could be a cumulative frequency chart?

A.

B.

C.

D.

Response Key: A

Question 6th of twenty

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The between the 1st and third quartile is referred to as the

A. unimodal range

M. interquartile selection

C. core range

D. interdependent selection

Answer Crucial: B

Problem 7 of 20

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The amount of time required to run the Boston workshop is a good example of which type of variable?

A. qualitative

B. constant

C. discrete

D. not one of the above

Response Key: B

Question 8 of twenty

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Which usually measure of central location is meaningful when the data will be categorical?

A. The mean

M. The range

C. The method

D. The median

Response Key: C

Question on the lookout for of twenty

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The total frequency from the data whose ogive can be shown beneath is approximately

A. 18

W. 90

C. 12

Deb. 34

Solution Key: Deb

Question 10 of twenty

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Guess that a histogram of a data set is around symmetric and " bells shaped". Approximately, what percent of the observations are inside three common deviations in the mean?

A. 99. 7%

W. 95%

C. 50%

M. 68%

Answer Key: A

Question 11 of 20

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If aВ variable offers possible principles вЂ“2, 6, and seventeen, then this kind of variable can be

A. both a consistent and a discrete adjustable

B. a discrete varying

C. a consistent variable

G. neither a consistent nor a discrete changing

Answer Crucial: B

Question 12 of 20

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The typical can also be identified as:

A. the middle declaration when the info values happen to be arranged in ascending orde

B. the 2nd quartile

C. the 50th percentile

Deb. all of the previously mentioned

Answer Important: D

Component 2 of three -

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Problem 13 of 20

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Accepted personas: numbers, decimal point indicators (period or comma), indication indicators (-), spaces (e. g., because thousands separator, 5 000), " E" or " e" (used in technological notation). NOTICE: For scientific notation, a period of time MUST be used since the fraccion point marker. Complex quantities should be inside the form (a + bi) where " a" and " b" need to have clearly stated ideals. For example: 1+1i is valid whereas 1+i is not. 0+9i is usually valid while 9i is usually not.

The following info represent the quantity of children within a sample of 10 households from Chicago: 4, 2, 1, one particular, 5, three or more, 0, one particular, 0, and 2 .

Compute the normal deviation from the data. Place your answer, rounded to 2 decimal locations, in the empty. For example , three or more. 45 is a legitimate entry. 1 . 66 Answer Important: 1 . sixty six

Question 13 of 20

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Acknowledged characters: figures, decimal stage markers (period or comma), sign indications (-), areas (e. g., as thousands separator, your five 000), " E" or perhaps " e"...