Biostatistics ssps

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ASSIGNMENT 1

Q1: Find mean, median, mode, Q1, Q3 and inter quartile range manually and using SPSS for the data given below.

Class limits

Frequency

93-97

2

98-102

5

103-107

12

108-112

17

113-117

14

118-112

6

123-127

3

128-132

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q2: Draw (i) Histogram and (ii) An ogive manually and using SPSS from the following data.

Height

Frequency

53-55

15

56-58

111

59-61

182

62-64

105

65-67

19

68-70

7

Find the approximate value of the median from the ogiveand check your answer by calculation.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q3: The weights of 40 male students at a university are given in the following frequency table. Find mean, median and mode. Make the bar and pie charts using SPSS.

Class limits

Frequency

118-126

3

127-135

5

136-144

9

145-153

12

154-162

5

163-171

4

172-180

 

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