Question

Health Project collected blood pressure data. Data based on information from the study is in table 1. Determine if the data is from a population that is normally distributed.

Table 1: Blood Pressure Values

114            141       154       137     131    132    133    156   119

138             86        122       112     114    177   128     137   140

171            129       127        104      97    135   107   136    118

92              182       150        142       97    140   106      76    115

119            125       162          80     138    124   132    143    119

Answer 1

Solution:

Here using minitab statistical software we plot the probability as below

Comment: Here using this plot we say that the data is from normal distribution because all the data points are lies within two lines it means data comes from normal distribution.

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