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Given the following set of data, find the first quartile and the…

Given the following set of data, find the first quartile and the interquartile range:
5, 7, 8, 11, 12, 14, 17, 17, 20, 21, 21, 21

Group of answer choices

 

 

 

 

 

 

 

 

 

 

 

 

 

Flag question: Question 2Question 21 pts

 

Find the variance for the following sample data, given that the mean is 12:
7, 8, 11, 13, 14, 19

Group of answer choices

 

 

 

 

 

 

 

 

 

 

 

 

 

Flag question: Question 3Question 31 pts

 

For the following set of sample data, calculate the standard deviation.
5, 6, 12, 14, 18

Group of answer choices

 

 

 

 

 

 

 

 

 

 

 

 

 

Flag question: Question 4Question 41 pts

 

Given the following set of population data with a mean of 10, find the standard deviation.
1, 17, 11, 4, 17, 10

Group of answer choices

 

 

 

 

 

 

 

 

 

 

 

 

 

Flag question: Question 5Question 51 pts

 

Which of the following is NOT a measure of spread in a set of data?

Group of answer choices

Range

 

 

 

IQR

 

 

 

Flag question: Question 6Question 61 pts

 

The lifespans of bengal tigers in a particular zoo follow a bell-shaped curve. The average bengal tiger lives 20.5 years with a standard deviation of 2.4 years. Use the empirical rule to estimate the percentage of bengal tigers who live less than 18.1 years.

Group of answer choices

11.7%

 

16%

 

13.5%

 

2.5%

 

32%

 

34%

 

 

Flag question: Question 7Question 71 pts

 

What is a box plot used for?

Group of answer choices

To show a five-number summary

 

To detect outliers

 

To show all the data values in your data set along a number line

 

To display skewed data

 

To make a chart of frequencies

 

 

Flag question: Question 8Question 81 pts

 

Heights of a kindergarten class follow a bell-shaped curve with a mean of 45 inches and a standard deviation of 1.5 inches. If Sophie is 40 inches tall and Jack is 49 inches tall, could the height of either of these students be considered an outlier?

Group of answer choices

Both Sophie and Jack

 

Sophie only

 

Neither Sophie nor Jack

 

Jack only

 

 

Flag question: Question 9Question 91 pts

 

Which of the following questions would have answers which are qualitative data?
(A) How many hours of sleep did you get last night?
(B) How prepared are you for Exam 1? Enter 1 for very prepared, 2 for moderately prepared, 3 for not prepared, 4 if you aren’t sure.
(C) What color notebook do you use for math?

Group of answer choices

A and B

 

C only

 

B only

 

A and C

 

B and C

 

A only

 

A, B, and C

 

 

Flag question: Question 10Question 101 pts

 

In any set of data, which of the following values are always identical to each other?

  1. Mean
  2. Median
  3. Mode
  4. 50th Percentile
  5. 2nd Quartile

Group of answer choices

2 and 4 only

 

2, 4, and 5 only

 

4 and 5 only

 

1 and 4 only

 

They all represent the same amount

 

1, 2, and 3 only

 

 

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