6th Grade Math - Statistics and Probability - Algebraic Thinking Introduction

Katie has been tracking how many apples are getting thrown out per day at her school. She has been tracking this data for the last 10 days in the dot plot below.

If the mean of the data set below is 17, then what must be the value of x?

If the median of the data below is 9, then what number could n be?

Alexandria visits the comic book store once a week. She knows that her mean spending over the last 8 weeks has been exactly $20.

Look at the data set below. It is missing two numbers. If the mean of this data set is 5 and the mean absolute deviation is 2, then what are the two missing numbers?

Look at the data set below. It is missing two numbers. If the interquartile range of this data set is 9 and the range is 17, then what are the missing values?