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The Value of Learning Standards

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For this discussion, please share your own ideas and insights about how early childhood educators may communicate with others regarding learning standards as well as how to communicate the purpose and value of Learning Standards to parents. Discuss how children, teachers, programs and parents benefit from Learning Standards. Include your own insights on how Learning Standards contribute to your curriculum/activity planning process and assessment strategies.

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One way of communicating that was through newsletters. Whether you do a weekly or monthly newsletter communicating the units of study you are embracing, special books you may have shared, field trips, and the like, you may also identify the standard along with this information. I personally also agreed that parent information materials given out at the onset of school, should contain this information as well, and portfolios which is a showcase of student work definitely should identify the standard as well. I didn't really think about mission statements at first, but certainly that information can refer to standards as well.

Critics of early childhood programs vie for academic rigor, which is not exactly appropriate for early childhood education. However, it is ...

Solution Summary

Methods of communicating with parents are an essential part of early childhood classes. Whether that means a weekly or monthly newsletter, meeting parents at the door, or a more formal conference, it is essential to find methods of communciation. This includes parents who work, and may feel disconnected from the school. Telephone conferences are sometimes acceptable. This includes information about early learning standards.

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A 95% confidence interval (a t interval) for the lives (in minutes) of Kodak AA batteries is 440 < u < 480. Assume that this result is based on a sample of size 25.

Dear Ota,

Provide me the solution with explanation.

Thanks

1.
A 95% confidence interval (a t interval) for the lives (in minutes) of Kodak AA batteries is 440 < u < 480. Assume that this result is based on a sample of size 25.

1a. What is the value of the sample mean?

a. 455
b. 440
c. 445
d. 460
e. 470

2.
1b. What is the value of the sample standard deviation?

a. 363.43
b. 181.71
c. 36.3 2
d. 48.45

3.
1c. Construct the 99% confidence interval.

a. (433.0, 487.1)
b. (442.6, 467.4)
c. (440.0, 470.0)
d. (434.7, 475.3)

4.
1d. If the confidence interval 443.4 < u < 476.6 is obtained from the same
sample data, what is the degree of confidence?

a. 80%
b. 85%
c. 90%
d. 95%

5.
David wants to rent an unfurnished apartment for next semester.
He took a random sample of 9 apartments adversised in the local
Halifax paper, and recorded the rental rates. The rents (in $
per month) were:

500 650 600 505 450 550 515 495 640

2a) Find a 90% confidence interval for the mean monthly rent for
unfurnished apartments in this this community.

a. (384,706)
b. (408,682)
c. (491,599)
d. (502,588)

6.
2b) You wish to test the null hypothesis that the true mean monthly rent for an unfurnished apartment is $500. What is the value of the test statistic?

a. .028
b. .64
c. 1.82
d. 1.93

7.
2c) A student at the University of Calgary carried out a similar study, but using a sample of 16 apartments. The value of the test statistic for that study was 2.71. What would be the p-value to test against the alternative that the mean rent is not equal to $500.

a. p < .005
b. .005 < p < .01
c. .01 < p < .02
d. .02 < p < .04
e. .04 < p < .05
f. .05 < p < .1
g. .1 < p

8.
Consider the following independent measurements taken from a normal population:
12,10,7,13,9,10,11,7,9
3a. What is the standard error of the sample mean?

a. 2.048
b. 0.228
c. 0.382
d. 0.683
e. 4.194

9.
Question 3b. Find a 95% confidence interval for the population mean.

a. (7.487, 12.069)
b. (8.019, 11.537)
c. (8.060, 11.495)
d. (8.204, 11.352)
e. (8.508, 11.047)

10.
A school board is evaluating a learning system designed to increase literacy skills. A standardized test measuring reading skills is performed to some students, both before and after using the learning system. The following data were obtained:
student before after difference
1 96 96 0
2 101 105 4
3 108 112 4
4 97 96 -1
5 108 114 6
6 93 97 4
7 95 100 5
8 91 92 1
9 114 113 -1

Is there evidence that the learning system has increased the test scores?

4a) What is the null hypothesis?

a. mu = 0
b. mu < 0
c. mu > 0
d. mu not equal to 0

11.
4b) What is the alternative hypothesis?

a. mu = 0
b. mu < 0
c. mu > 0
d. mu not equal to 0

12.
4c) How may degrees of freedom are there?

a. 18
b. 16
c. 9
d. 8

13.
4d) What is the sample standard deviation of the difference in the test scores?

a. 7.73
b. 2.70
c. 2.45
d. 6.00

14.
4e) What is the value of the test statistic?

a. between 0 and 1
b. between 1 and 3
c. between 3 and 5
d. between 5 and 10
e. more than 10

15.
4f) What is the p-value?

a. between 0 and 0.01
b. between 0.01 and 0.05
c. between 0.05 and 0.1
d. between 0.1 and 0.25
e. more than 0.25

16.
4g) Is there evidence of a increase in the test scores at significance level alpha = 0.05?

a. yes
b. no
c. not enough information

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