The correct answer is <span>the values are measures for the sampling distribution of the mean
For example, in the </span>μm it is used to<span> represent the mean of the distribution of sample </span>means, while in the σm it is indicated that this value is a standard deviation, and just the M means that it is the standard deviation for the distribution of sample <span>means</span>
A - he introduced a new kind of tobacco
ireal declared it independence may 14th 1948
The sinking of the Lusitania shows that America was hesitant to enter World War I. The Lusitania was a British ship that had American soldiers on it. This ship was traveling to Ireland but was shot down by the German military. This use of unrestricted submarine warfare resulted in the deaths of thousands of individuals, including over 100 American citizens.
This event, that took place in May of 1915. Even though this causes outrage among citizens, the US does not formally declare war against Germany until they find out about the Zimmerman Telegram (in 1917). This shows that America tried to avoid entering World War I at all costs.