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bob7220
12.02.2021 •
Mathematics
Divide 50 kg of sand into the ratio of 7:5 how much sand would that be in five parts
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Ответ:
Conclusion
The average rental rate in Hong Kong are higher than in Paris
Step-by-step explanation:
From the question we are told that
The sample size for Hong Kong is![n_1 = 30](/tpl/images/0650/4387/c79c9.png)
The mean for Hong Kong is![\mu_h = 1,114 \ m^2](/tpl/images/0650/4387/f64e7.png)
The standard deviation for Hong Kong is![s = 230](/tpl/images/0650/4387/dfcf8.png)
The sample size for Paris is![n_2 = 40](/tpl/images/0650/4387/38d1c.png)
The mean for Paris is![\mu_p = 989 \ m^2](/tpl/images/0650/4387/0808f.png)
The standard deviation for Paris is![s_p = 195](/tpl/images/0650/4387/d4f2d.png)
The level of significance is![\alpha = 0.05](/tpl/images/0650/4387/246a1.png)
The Null Hypothesis is
The alternative hypothesis is
The test statistics is mathematically represented as
Substituting values
Since the value of the test statistics is higher than the significance level then there is enough evidence to conclude that the average rental rate in Hong Kong are higher than in Paris