Answer:
Conduct a second survey
Explanation:
Mean age is the average age in a particular group of people. It is used in statistics to compare a group of people with another one.
The purpose of the mentioned survey was to compare the level of relationship satisfaction between married and non-married couples. For the survey to be valid, the average (mean) age in these two groups should be the same. People behave differently at different stages in their lives, some may be satisfied with their relationship at 23 and dissatisfied at 30. The age gap between the two groups here is to great to reach any plausible conclusions. You should conduct a second survey with the same or similar age groups.
Answer:
The Emancipation Proclamation of 1863 marked the official beginning of freedom for enslaved African Americans in the Confederacy, although many did not hear of it for several months. ... This slow-spreading freedom eventually slowed the Confederate economy and helped guarantee its defeat at the hands of the Union.
That would be the sun as firstly, the sun gives energy to plants which grow and at a time make crops/food which we eat.
Answer:
An aboriginal skeleton that was discovered in 2012 on the banks of Darling river in Tootale National Park is known as Toorale Man. The skeleton's facial bones were damaged and had deep and fatal wounds. The wound stretched from the forehead to the mouth.
Initially, it was believed that the wound was caused by metal blades and the man died in the violence between the aboriginals and European settlers. But the radiocarbon dating revealed that the man died much earlier, almost 700 years ago. It raised several questions about the use of metal by aboriginals because metal arrived in Australia with Macassan Fisherman in the north and then with the European settlement.
His skull was lying on a washed pile of sand and was arranged in a fetal position and his skull was sticking out.
The best example out of these of a secondary source is the (C) an academic analysis of key battlefield strategies. Secondary sources are sources that analyze or interpret primary sources or mediums that describe, depict, or show a first hand account of an event.
