A survey was conducted to investigate motor fuel octane ratings of several blends of gasoline, and...

70.2K

Verified Solution

Question

Statistics

A survey was conducted to investigate motor fuel octane ratingsof several blends of gasoline, and the following data ispresented:
88.5
98.8
89.6
92.2
92.7
88.4
87.5
90.9
94.7
88.3
90.4
83.4
87.9
92.6
87.8
89.9
84.3
90.4
91.6
91.0
93.0
93.7
88.3
91.8
90.1
91.2
90.7
88.2
94.4
96.5
89.2
89.7
89.0
90.6
88.6
88.5
90.4
84.3
92.3
92.2
89.8
92.2
88.3
93.3
91.2
93.2
88.9
91.6
87.7
94.2
87.4
86.7
88.6
89.8
90.3
91.1
85.3
91.1
94.2
88.7
92.7
90.0
86.7
90.1
90.5
90.8
92.7
93.3
91.5
93.4
89.3
100.3
90.1
89.3
86.7
89.9
96.1
91.1
87.6
91.8
91.0
91.0
Construct stem-and-leaf diagram for these data and compute thesample quartiles. (10 pts)
Compute sample median, mode, mean, variance and standarddeviation. (5 pts)
Construct a frequency distribution and histogram for theratings by using eight bins. What is the shape of the distribution?(10 pts)
On Excel

Answer & Explanation Solved by verified expert

4.2 Ratings (664 Votes)

Ans a the stem and leaf plot isStemandLeafDisplayStemunit1Statistics834SampleSize82843 3Mean9052561853Median904867 7 7StdDeviation2905202874 See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!

Become a Member

A survey was conducted to investigate motor fuel octane ratings of several blends of gasoline, and...

70.2K

Verified Solution

Question

Statistics

Answer & Explanation Solved by verified expert

Get Answers to Unlimited Questions

Membership Benefits:

Other questions asked by students

Use diagram to explain the layout of domestic (cold) water system from the underground main pipe...

A professor's commute is normally distributed with a mean of 40 minutes and a standard deviation...

In a clinical study of a test devised to detect colorectal cancer it was found that...

How did the Grants test their hypothesis that differences in birds' songs can keep finches...

What is happening in this bacteriophage s life cycle Please match the two columns 1...

2 POINTS EACH TEST 10 FORM A PG 5 PART 4 TAKS Find the correct...

Each answer choice below represents a relation by a set of ordered pairs. In which...

A 12-sided die is rolled. The set of equally likely outcomes is {1,2,3,4,5,6,7,8,9,10,11,12). Find the...

Evaluate each expression.9) log?? 410) log?? 1/311) log? 1/81

Sean and Jenny are married, file a joint return and have two dependent children, Blake,...

Quilcene Oysteria farms and sells oysters in the Pacific Northwest. The company harvested and sold...

On June 13 , the board of directors of Siewert Inc. declared a 2 -for-1...

88.5	98.8	89.6	92.2	92.7	88.4	87.5	90.9
94.7	88.3	90.4	83.4	87.9	92.6	87.8	89.9
84.3	90.4	91.6	91.0	93.0	93.7	88.3	91.8
90.1	91.2	90.7	88.2	94.4	96.5	89.2	89.7
89.0	90.6	88.6	88.5	90.4	84.3	92.3	92.2
89.8	92.2	88.3	93.3	91.2	93.2	88.9
91.6	87.7	94.2	87.4	86.7	88.6	89.8
90.3	91.1	85.3	91.1	94.2	88.7	92.7
90.0	86.7	90.1	90.5	90.8	92.7	93.3
91.5	93.4	89.3	100.3	90.1	89.3	86.7
89.9	96.1	91.1	87.6	91.8	91.0	91.0