Answer:
The conclusion
There is sufficient evidence to conclude that the the residents of this particular city are spending significantly (at 5% level) more time watching TV than the average for this geographic area.
Step-by-step explanation:
From the question we are told that
The population mean is
The sample size is n= 16
The sample mean is
The standard deviation is
The null hypothesis is
The alternative hypothesis is
The level of significance is
Generally the test statistics is mathematically represented as
=>
=>
Generally the p-value is mathematically represented as
From the z -table
=>
From the values obtained we see that
Hence we reject the null hypothesis
Therefore there is sufficient evidence to conclude that the the residents of this particular city are spending significantly (at 5% level) more time watching TV than the average for this geographic area.