Statistices

[Faizan Yaseen]

We want to study the environment. One of the assignments is to grow plants in different soils. So we choose to grow plants in soil found outside the class room, potting soil bought at the local nursery and in soil from the neighbour’s garden. No chemicals were used on the plants, only water. They were grown in the classroom next to a window. Each soil choice was used to grow 5 plants. At the end of the growing period, each plant was measured, producing the following data (in inches): (Critical Value =4).

Class room soil Plants	Nursery soil Plants	Neighbour’s garden soil Plants
24	25	23
21	31	27
23	23	22
30	20	30
23	28	20

Does it appear that three media in which plants were grown produce the same average height? Test at a 5% level of significance and make ANOVA summary table

 

[Faizan Yaseen]

A sample of randomly selected men and women in their twenties were asked about their preferred place to go on a weekend night. The results are given in the table below. Test at a 5% level of significance whether the preferred activity is independent on gender.(Critical Value is 9.49)

	Movies	Sports	Restaurants	Shopping	Concert
Men	43	50	46	19	42
Women	29	21	31	31	28

 

[Faizan Yaseen]

We want to study the environment. One of the assignments is to grow plants in different soils. So we choose to grow plants in soil found outside the class room, potting soil bought at the local nursery and in soil from the neighbour’s garden. No chemicals were used on the plants, only water. They were grown in the classroom next to a window. Each soil choice was used to grow 5 plants. At the end of the growing period, each plant was measured, producing the following data (in inches): (Critical Value =4).