1- The following data represent patient’s pulse rate 94 95 65 97 89 60 65 65 65 66 68 68 69 69 70 70 70 75 75 75 75 77 82 82 82 88 89 89 89 98 a) Find the range for the data (3 points) b) Prepare a r

1- The following data represent patient’s pulse rate 

94 95 65 97 89 60 65 65 65 66 68 68 69 69 70 70 70 75 75 75 75 77 82 82 82 88 89 89 89 98

a) Find the range for the data (3 points)

b) Prepare a relative frequency distribution for the Data. Do five classes

c) Draw a relative frequency histogram representing the data 

d) Comment on the shape of the distribution 

2- We interviewed 40 employees about the management skills of the manager of a small company. The results are the following:

Good  VeryGood  Excellent  Good  Good  VeryGood  Neutral  Good  Neutral  VeryGood  Good  Excellent  Neutral  Good  Excellent  Good  Excellent  Good  Neutral  Good  Excellent  Good  Excellent  Good VeryGood  Excellent  Good  Good  Excellent  Good Good Good Excellent Neutral VeryGood VeryGood Good Excellent Neutral Excellent

a) Write an appropriate expression for the size of the sample 

b) Prepare a frequency distribution for the data

c) Draw a bars chart representing the data

d) Draw a pie chart representing the results 

d) What conclusion can you make about the manager’s management skills? 

3- Use the following data to find the five-number summary. Check for outliers, if any. Then draw a Box and Whisker plot 

94 95 106 65 97 89 60 65 65 108 65 66 68 68 69 69 70 70 70 75 

75 75 108 75 77 105 82 82 100 82 88 107 89 89 104 89 98 109