Mathematics, 19.10.2020 14:01 tre9990
4. There are 100 students taking an amazing stats class at SFSU. The instructor assigns a very easy quiz that is up to 10 points. The instructor has the great idea of making a histogram out of the 100 scores to analyze the performance of the students.
a. What type (shape) of histogram resulted out of the scores of the very easy quiz?
b. What is the possible mean of the scores? 4.5 or 9?
c. The histogram shows that 2 out of the 100 students, got a score of 1 L. They
didnāt even know their names! Please describe how would you use the Median
and Interquartile (IQR) Method to determine whether the 2 students are outliers.
d. What are the 5 numbers that the instructor needs to find to create a box-plot?
e. After making the box-plot, the length of the actual box ended up being very small. What can the instructor conclude about the spread of this data?
f. What would be the sign of the skewness?
Answers: 1
Mathematics, 21.06.2019 15:30
What is the value of x? enter your answer in the box. photo attached.
Answers: 2
Mathematics, 21.06.2019 20:40
Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.
Answers: 3
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