Listed below are the lead concentrations μ​g/g measured indifferent traditional medicines. Use a 0.05 significance level totest the claim that the mean lead concentration for all suchmedicines is less than 13 μ​g/g.Assume that the lead concentrationsin traditional medicines are normally distributed.
8 22 15 .5 8.5 3.5 10 6.5 13.5 5.5 11 
1.Determine the test statistic (round two decimal)
2.Determine the P-value( round three decimal)
3.State the final conclusion that addresses the originalclaim  
     
    
6.56.5     
13.513.5     
5.55.5     
1111
