The Preliminary Emancipation Proclamation was issued after the Union victory at:

Ida Wells was best known for her crusade against:

The sit-in movement began:

Shirley Chisolm was noted as being

Black workers during WWII organized against workplace discrimination in the

Ida Wells was best known for her crusade against:

In Brown v. Board of Education the Supreme Court:

Black workers during WWII organized against workplace discrimination in the

The frequency of a sound wave is associated with our perception of that sound’s ___________________.

The boxplots below summarize the number of hours of sleep students get on the weekend and during the weekdays.    Which of the following statements are true?    I.) The maximum weekday hours equal median of weekend hours.    II.)  The median weekday hours equals the first quartile of weekend hours.