Pls, help me! I have less than 5 minutes to complete this. This is worth 1/2 of my grade.

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample

Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer