A researcher is examining preferences among types of social media.  60 individuals from “Generation z” participate in the study. Each person reports their favorite type. The distribution of preferences is below. Which chi-square value is obtained when conducting a chi-square goodness-of-fit test?                       Social Media    Instagram         TikTok         SnapChat ​ 25 ​ 20 ​ 15 ​

Extra Credit (2.5 points) Reflect on the differences between independent-samples and repeated measures t-tests. Imagine you had to teach this topic to someone. Using the specific material we covered in this class, what are the two most important differences between the two? Why did you choose these reasons?

I understand that no other electronics can be used on this exam. I understand that the only calculator I can use is the basic calculator provided to me via Honorlock and the z-score calculator. I understand that no other people can be in the room where I am taking the exam (kids and pets are ok!). I understand that I cannot wear headphones during the exam. I understand that violations of the above will result in a 50%-100% deduction of my exam grade.   Please type “I understand all of the Exam 3 requirements and consequences of violating these requirements.” to move forward.

A_________ is an animal that often lives around sewage or garbage, such as flies, ants, cockroaches, mice, and rats.

Congenital hypothyroidism is due to a maternal _________.

10. Which of the following is valuable for transcriptome analysis?

6.    The attachment of organisms to surfaces (such as pipes and walls) is known as ________.

5.    A drug that can create polyploids is known as ________

1. Which of the following is a pigment used to alter the color of salmon?

Lydia has no children of her own, but she provides material and emotional support to the children who live in her neighborhood. Lydia is a good example of a(n)