# data[].attributes.body
I want to explore how the amount of time spent outside affects the quality of sleep (or maybe level of tiredness).

I will use: Chi squared test for independence

H0: The number of hours spent by a person outside does not affect the quality of his sleep.
H1: The number of hours spent by a person outside does affect the quality of sleep.

Data required:
- number of hours spent outside
- number of hours needed to get enough sleep

I will collect data by google forms from my friends

# data[].attributes.body
I want to explore does the gender affect the ability of standing on the knees while bending without the help of the hands. I will use T-test

H0: Men are not able to stand on their knees while bending without the help of the hands
H1: There is no relationship between gender and ability of standing on their knees while bending without the help of the hands

I will collect data by asking my male and female friends to do this activity

# data[].attributes.body
I want to explore how the amount of sleep affects continuous learning. For that I will use chi-squared test for independence

My hypotheses:
H0: amount of sleep does not affect on continous leraning hours
H1:  amount of sleep affects on continous leraning hours

data required:
- amount of sleep that students get
- their continous learning hours

survey will be conducted. data will be collected among students

# data[].attributes.body
I want to explore the dependance between the number of hours spend on studying and actual grades of the student.
Test: Chi-squared. test of independence or GoF
H0: There is no correlation between the amount of studying a students is having and their grades.
H1: The number of hours spend for studying has an effect on their grades.
Data required:
-number of hours of studying a student gets daily(overall number of hours in a month)
-Grades student got within this month.

Data will be collected among 10-11 grade students of NIS IB.

# data[].attributes.body
I want to investigate the affection of phone screentime on academic achievements. I will use chi- squared test for independence.
H0- Screentime doesn't affect academis successes of people.
H1- Screentime does affect academis successes of people.
Data- I will conduct a survey among students of our school.

# data[].attributes.body
I want to explore whether unpleasant experience of a person depends on the psychological trauma an individual gained in childhood

H0: unpleasant psychological experience in childhood has no interrelationship with further problems in people’s life
H1: psychological traumas of a person has a great impact on his/her life issues
Test: Chi-squared test of independence

Data:
1) number of positive reviews in which people solved their problems after psychological therapy
2) number of negative reviews in which people did not solve their problems after psychological therapy

I will collect the data with the help of psychological center my mom works in. They have special account in social media, where there are many reviews describing effect of the therapy on their lives

# data[].attributes.body
I want to explore dependence between academic achievements and amount of books that person read. I will use chi squared test for independence.
My hypothesis:
H0: amount of read books doesn't affect to the academic achievements
H1: amount of read books impacts on academic achievements
Data:
- number of books that student read in last 5 years
- their GPA

Collect:select 1 class from DP1 and conduct survey

# data[].attributes.body
I want to explore how gender equality affects the women's choice of technical professions

H0: gender equality does not make women choose more technical professions
H1: there is a connection between the level of gender equality and more technical profession choice among women.

chi squared test

I will be comparing countries, one Scandinavian and developing countries with low level of gender equality. And I will be comparing how many women pursue a technical profession.

categories: low level gender eqaulity countries with high level gender eqiality countries

variables which will be compared are amount of women purseu technical profession

# data[].attributes.body
I want to explore the relationshop between skipping breakfast and weight gain
I will use Chi squared for independence

Hypothesis
H0:Weight gain is independent from skipping breakfast
H1:Skipping breakfast causes weight gain

Data required for the test:
Data from experiments of scientists ( US review in 2011)

# data[].attributes.body
-I want to explore the "

Tests with One Sample, Discrete Outcome" (Involves total & 3 categories: Total of people, how many exercise a lot, moderate and how many don't)

-I want to use chi square to shift in the distribution of responses to the exercise question. (test statistic)

-H0: represents the "no change" or "no difference" situation.
-H1: H0 is false

-Data involves: total students, who exercises and who doesn't
-Either create a survey or investigate for a larger value from already created survey online

# data[].attributes.body
I want to explore effect of the women education level on the fertility rate
I will use chi squared for independence

My hypothesis:
H0: Women education level do not impact on fertility rate
H1: Women education level impacts to fertility rate of women

What data is required:
-number of educated women in country
-number of child per women

# data[].attributes.body
I want to explore dependence between gender and color preference
I will use chi squared test for independence
H0: Color preferences do not depend on gender
H1: Color preferences  depend on gender
-Data required is gender of people asked as well as their fav color (color red and blue)
I will just ask 20 random people in class/school

# data[].attributes.body
Avoid trivial topics, think of something that bothers/excites/ you, or you are curios about.

- I want to explore the ...
- For that I will use Chi-squared GOF/Chi squared for Independence/t-test (choose appropriate one)

- My hypotheses:
H0:
H1:

- What data is required for the test?
- How you will collect the data?
(add sources where you could potentially get the data or useful info, etc.)

comment on the posts of your classmates, give likes to them, ask questions;)