18BIT0293 DA-5.pdf

18BIT0293 DA-5.pdf - STATISTICS FOR ENGINEERS DA-5 NAME...

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STATISTICS FOR ENGINEERS DA-5 NAME- SOURAV BAGHMAR REGISTRATION NO-18BIT0293 SLOT- L23+L24 COURSE CODE: MAT 2001
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Program No.: 1 1. Aim of the Program: A random sample of 10 boys with the following IQs: 70, 120, 110, 101, 88, 83, 95, 98, 107, and 100. Write down the R programming code to test whether the data support the assumption of a population mean IQ of 100 at 5 % level of significance. 2. Mathematical Analysis(if need)/ Display the given Problem and data /Input: t n Where -- n=10 x=mean( IQs) sigma = standard deviation mu = 100 3. R Programming Code: R Code > x=c(70, 120, 110, 101, 88, 83, 95, 98, 107, 100 ) > t.test(x,mu=100) > 4. Output
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5. Conclusion p-value>0.05, therefore, H0 is accepted. Program No.: 2 1. Aim of the Program: The mean height and the standard deviation height of 8 randomly chosen soldiers are 166.9 cm and 8.29 cm respectively. The corresponding values of 6 randomly chosen sailors are 170.3 cm and 8.50 cm respectively. Write down the R programming code to test whether the soldiers are shorter than the sailors on the basis of average height. 2. Mathematical Analysis(if need)/ Display the given Problem and data
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