a). It is observed that average life of product 'A' follows normal distribution. Manufacturer of product...
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a). It is observed that average life of product 'A' follows normal distribution. Manufacturer of product 'A' claims that average life of the product is at least 120 months with variance 25 months. A random sample of 10 of these is with mean 125 months and standard deviation 4 months. Validate the claim of the manufacturer at 5% level of significance. [5M] b).Consider the following data related to education loan taken or not for pursuing higher education. Formulate a suitable hypothesis and validate it by using an appropriate statistical procedure. [5M] Education Loan Boys Loan taken ken Not taken 1-82300 23 Girls 02 100 150 212/20225004 a). It is observed that average life of product 'A' follows normal distribution. Manufacturer of product 'A' claims that average life of the product is at least 120 months with variance 25 months. A random sample of 10 of these is with mean 125 months and standard deviation 4 months. Validate the claim of the manufacturer at 5% level of significance. [5M] b).Consider the following data related to education loan taken or not for pursuing higher education. Formulate a suitable hypothesis and validate it by using an appropriate statistical procedure. [5M] Education Loan Boys Loan taken ken Not taken 1-82300 23 Girls 02 100 150 212/20225004
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