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In a real estate company the management required to know the recent range of rent paid in the capital governorate, assuming rent follows a
In a real estate company the management required to know the recent range of rent paid in the capital governorate, assuming rent follows a normal distribution. According to a previous published research the mean of rent in the capital was BD 568, with a standard deviation of 105. The real estate company selected a sample of 199 and found that the mean rent was BD684. Calculate the test statistic (write your answer to 2 decimal places,
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