A researcher finds that the mean income for her sample is $40,500 but the mean for the population from which the sample is drawn is believed to be $44,270. The difference between the two means can be attributed to ______.
a. nonrandom sampling
b. normal sampling
c. luck
d. sampling error
d. sampling error
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One of the most powerful and successful ways for educators to provide guidance to young adolescents is through ______________ programs
Fill in the blank(s) with the appropriate word(s).
Answer the following statement(s) true (T) or false (F)
. A failure to replicate a result could likely be due to statistical error.
Because he wanted to follow the Common Core guidelines, fourth grade teacher Mike Marker required students to develop oral presentations. The teacher did not give guidelines and did not help with the assignment. The principal correctly reminded the teacher that to follow the Common Core, teachers should:
a) encourage informal conversations rather than presentations b) require students to read their speeches from note cards c) help students organize information for presentations d) make certain that students have a large audience for their presentations
By two years old young children are able to:
a) Understand loud-soft, fast-slow b) Sing whole songs from memory c) Move bodies in response to music d) Dramatize songs