📊 statistics

1. **Problem statement:** We have data on the number of students and their average daily reading times in intervals. We need to answer three parts:

1. **State the problem:** We want to estimate how many of the 1300 visitors on Sunday will go to the Social Issues section, based on Saturday's visitor distribution. 2. **Identify

1. **State the problem:** We are comparing the variability of wait times at two stores, Gap and Old Navy. Both have the same average wait time of 5 minutes, but different standard

1. **Problem Statement:** We have a population with values $1, 2, 8, 9$ and sample size $n=2$ drawn without replacement. 2. **List all possible samples of size 2 without replacemen

1. **State the problem:** We want to test if the gardener's average daily profit is higher when bouquets are sold at 10 dollars compared to 15 dollars. 2. **Given data:**

1. **Problem Statement:** We want to test if the posters showing different milk types had an impact on students' drink choices at the 1% significance level. 2. **Data Given:** The

1. **State the problem:** We have two players' scores with given means and dot plots. We need to find: (a) The distance between the means.

1. **State the problem:** We have two gardens, A and B, each with heights: 9, 10, 10, 11, 11, 12, 12, 13 feet. Both have a mean height of 11 feet. 2. **Find the distance between th

1. **State the problem:** We want to find the probability that exactly 5 out of 25 randomly selected loans are minority loans, given that the bank claims 10 out of 100 loans are mi

1. **State the problem:** We have data for gas prices (y) over years since 2000 (x): | x | y |

1. Problemet handlar om att ta reda på hur många syskon fem personer tillsammans har utifrån ett stapeldiagram som visar frekvensen av antal syskon i en klass. 2. Vi vet att fem pe

1. **State the problem:** We have data for U.S. Foodborne Botulism cases from 2001 to 2005: (2001, 39), (2002, 28), (2003, 20), (2004, 16), (2005, 18). 2. **Draw a scatter plot:**

1. The problem asks to determine the shape of the distribution based on the box-and-whisker plot for the change in cost of tuition, dormitory, and meal plan. 2. Important rules for

1. **State the problem:** We want to test if there is an association between Age Group and Preferred Workout Type using a chi-square test of independence. 2. **State hypotheses:**

1. The problem asks for the greatest change in the consumer price index (CPI) over the period 2015-2020 and the year it occurred. 2. The CPI change is given as percent change from

1. **State the problem:** We are given the data set: 126, 128, 140, 124, 140, 129. We need to find:

1. **State the problem:** Calculate the mean of the data set: 126, 128, 140, 124, 140, 129. 2. **Formula for the mean:** The mean (average) is calculated by summing all the data po

1. **State the problem:** We are given the data set $7, 10, 13, 14, 22$ and need to find (a) the mean, (b) the median, and (c) the mode(s). 2. **Calculate the mean:** The mean is t

1. **State the problem:** Calculate the mean of the data set: 7, 10, 13, 14, 22. 2. **Formula for the mean:** The mean (average) of a data set is given by

1. **State the problem:** We need to find the mean number of goals Maeve's team scores per match from the data: 3, 1, 1, 0, 2, 7, 1, 0, 2, 1, 3. 2. **Formula for mean:** The mean i

1. **State the problem:** We have a data set with mean = 15, median = 13, mode = 9, range = 22, and standard deviation = 4. We apply the function $$y = 2x + 6$$ to each value in th